Civic Intelligence

Mammoth Site of Hot Springs

EIN 46-0337824 • 501(c)3 • Hot Springs, SD

Profile

Preserve findings, develop programs and educate public regarding mammoths.

PO Box 692Hot Springs, SD 57747

www.mammothsite.com

Siviq Scores

Precomputed percentiles relative to similar nonprofits. These scores are descriptive rather than judgmental.

Liabilities / Assets

20th percentile

0.01x

Higher debt load relative to assets than 20% of similar nonprofits.

501(c)3 • $5M-$10M nonprofits • Source year 2025

Liabilities / Revenue

24th percentile

0.04x

Higher debt load relative to revenue than 24% of similar nonprofits.

501(c)3 • $5M-$10M nonprofits • Source year 2025

Net Margin

27th percentile

-4.1%

Higher net margin than 27% of similar nonprofits.

501(c)3 • $5M-$10M nonprofits • Source year 2025

Top Officer Pay

23rd percentile

$0

Higher top officer pay than 23% of similar nonprofits.

Top officer pay equals 0.0% of source-year revenue.

501(c)3 • $5M-$10M nonprofits • Source year 2025

Asset Growth

49th percentile

3.9%

Faster asset growth than 49% of similar nonprofits.

501(c)3 • $5M-$10M nonprofits • Annualized from 2023 to 2025

Revenue Growth

26th percentile

-5.9%

Faster revenue growth than 26% of similar nonprofits.

501(c)3 • $5M-$10M nonprofits • Annualized from 2023 to 2025

Balance Sheet
Liabilities / Assets20th percentile

Assets

Up

$5,979,441

Up $81,536 (+1.4%) from 2022

Liabilities

Up

$65,050

Up $2,939 (+4.7%) from 2022

Net Assets

Up

$5,914,391

Up $78,597 (+1.3%) from 2022

Operations
Liabilities / Revenue24th percentileNet Margin27th percentile

Revenue

Up

$1,828,957

Up $17,880 (+1.0%) from 2022

Expenses

Down

$1,809,928

Down $42,619 (-2.3%) from 2022

Net Income

Up

$19,029

Up $60,499 (+146%) from 2022

Trend Graphs

Balance Sheet Trend

Asset Growth49th percentile

Grouped bars show assets, liabilities, and net assets across loaded filings.

$8.0M$6.0M$4.0M$2.0M$0Assets 2010: $3,294,577Liabilities 2010: $413,226Net Assets 2010: $2,881,3512010Assets 2011: $3,119,082Liabilities 2011: $401,017Net Assets 2011: $2,718,0652011Assets 2012: $3,101,696Liabilities 2012: $397,880Net Assets 2012: $2,703,8162012Assets 2013: $3,250,874Liabilities 2013: $489,681Net Assets 2013: $2,761,1932013Assets 2014: $3,282,446Liabilities 2014: $498,028Net Assets 2014: $2,784,4182014Assets 2015: $4,225,353Liabilities 2015: $1,279,747Net Assets 2015: $2,945,6062015Assets 2016: $4,174,792Liabilities 2016: $1,247,118Net Assets 2016: $2,927,6742016Assets 2017: $3,970,749Liabilities 2017: $1,092,717Net Assets 2017: $2,878,0322017Assets 2018: $3,847,566Liabilities 2018: $917,509Net Assets 2018: $2,930,0572018Assets 2019: $3,947,875Liabilities 2019: $901,934Net Assets 2019: $3,045,9412019Assets 2020: $3,821,342Liabilities 2020: $1,229,116Net Assets 2020: $2,592,2262020Assets 2021: $6,303,738Liabilities 2021: $79,726Net Assets 2021: $6,224,0122021Assets 2022: $5,897,905Liabilities 2022: $62,111Net Assets 2022: $5,835,7942022Assets 2023: $5,979,441Liabilities 2023: $65,050Net Assets 2023: $5,914,3912023

Highlighted filing

2023

Assets$5,979,441
Liabilities$65,050
Net Assets$5,914,391
Open 2023 Filing

Operations Trend

Revenue Growth26th percentile

Revenue, expenses, and net income by year, with the latest filing highlighted.

$6.0M$4.0M$2.0M$0-$2.0MExpenses 2010: $1,076,4492010Expenses 2011: $1,103,6202011Revenue 2012: $1,135,358Expenses 2012: $1,164,807Net Income 2012: -$29,4492012Expenses 2013: $1,125,9712013Revenue 2014: $1,188,646Expenses 2014: $1,175,867Net Income 2014: $12,7792014Revenue 2015: $1,492,457Expenses 2015: $1,321,324Net Income 2015: $171,1332015Revenue 2016: $1,462,746Expenses 2016: $1,493,443Net Income 2016: -$30,6972016Revenue 2017: $1,443,689Expenses 2017: $1,521,038Net Income 2017: -$77,3492017Revenue 2018: $1,533,034Expenses 2018: $1,481,009Net Income 2018: $52,0252018Revenue 2019: $1,663,333Expenses 2019: $1,547,449Net Income 2019: $115,8842019Revenue 2020: $995,096Expenses 2020: $1,448,811Net Income 2020: -$453,7152020Revenue 2021: $4,895,194Expenses 2021: $1,607,069Net Income 2021: $3,288,1252021Revenue 2022: $1,811,077Expenses 2022: $1,852,547Net Income 2022: -$41,4702022Revenue 2023: $1,828,957Expenses 2023: $1,809,928Net Income 2023: $19,0292023

Highlighted filing

2023

Revenue$1,828,957
Expenses$1,809,928
Net Income$19,029
Open 2023 Filing

Filings

Most recent year

2023 • Form 990XML pending. An XML filing is linked for this year, but detailed extraction is still pending.

Open filing
Assets
$5,979,441
Liabilities
$65,050
Net assets
$5,914,391
Revenue
$1,828,957
Expenses
$1,809,928
Net income
$19,029
Balance SheetOperations
YearAssetsLiabilitiesNet AssetsRevenueExpensesNet Income
2023XML pending. An XML filing is linked for this year, but detailed extraction is still pending.$5.98$0.07$5.91$1.83$1.81$0.02
2022XML pending. An XML filing is linked for this year, but detailed extraction is still pending.$5.90$0.06$5.84$1.81$1.85$0.04
2021XML pending. An XML filing is linked for this year, but detailed extraction is still pending.$6.30$0.08$6.22$4.90$1.61$3.29
2020Facts available. Structured filing facts are available, but richer extracted sections are limited.$3.82$1.23$2.59$1.00$1.45$0.45
2019XML pending. An XML filing is linked for this year, but detailed extraction is still pending.$3.95$0.90$3.05$1.66$1.55$0.12
2018XML pending. An XML filing is linked for this year, but detailed extraction is still pending.$3.85$0.92$2.93$1.53$1.48$0.05
2017Facts available. Structured filing facts are available, but richer extracted sections are limited.$3.97$1.09$2.88$1.44$1.52$0.08
2016Detailed filing. Detailed filing data is available for this year.$4.17$1.25$2.93$1.46$1.49$0.03
2015Detailed filing. Detailed filing data is available for this year.$4.23$1.28$2.95$1.49$1.32$0.17
2014Detailed filing. Detailed filing data is available for this year.$3.28$0.50$2.78$1.19$1.18$0.01
2013Facts available. Structured filing facts are available, but richer extracted sections are limited.$3.25$0.49$2.76$1.13
2012Summary only. Only limited summary data is available for this year.$3.10$0.40$2.70$1.14$1.16$0.03
2011Facts available. Structured filing facts are available, but richer extracted sections are limited.$3.12$0.40$2.72$1.10
2010Facts available. Structured filing facts are available, but richer extracted sections are limited.$3.29$0.41$2.88$1.08
Latest Detailed Filing

The latest 2023 filing currently has linked XML that has not been fully parsed yet. Showing the latest detailed filing from 2020 below.

Jump To
Filing Snapshot
Filing Period
Nov 1, 2019 to Oct 31, 2020
Signed
Sep 10, 2021
Return Version
2019v5.0
Gross Receipts
$1,232,227
Mission and Program Overview

Mission

The mission of the organization is the preservation, research, and interpretation of the mammoth site of hot springs, south dakota, and development of a broad understanding of the late ice age record across a global framework.

Balance Sheet Detail
LineBeginningEndChange
Assets
Land, Buildings, and Equipment, Net$2,773,094$2,776,195▲ $3,101
Savings and Temporary Cash Investments$566,571$467,134▼ $99,437
Cash and Non-Interest-Bearing Accounts$217,793$253,120▲ $35,327
Inventories for Sale or Use$172,646$105,034▼ $67,612
Prepaid Expenses and Deferred Charges$6,990$11,940▲ $4,950
Accounts Receivable$13,749$1,673▼ $12,076
Pledges and Grants Receivable$1,550--
Total Assets$3,947,875$3,821,342▼ $126,533
Other Assets Total$195,482$206,246▲ $10,764
Liabilities
Mortgage Notes Payable Secured by Investment Property$805,837$942,800▲ $136,963
Other Liabilities-$177,498-
Accounts Payable and Accrued Expenses$96,097$108,818▲ $12,721
Total Liabilities$901,934$1,229,116▲ $327,182
Net Assets / Fund Balance
Net Assets Without Donor Restrictions$2,922,478$2,557,237▼ $365,241
Net Assets With Donor Restrictions$123,463$34,989▼ $88,474
Total Net Assets Fund Balance$3,045,941$2,592,226▼ $453,715
Total Liabilities and Net Assets / Fund Balance$3,947,875$3,821,342▼ $126,533

Asset Categories

AssetBook ValueDepreciationBasis
Buildings$2,251,570$2,192,046$4,443,616
Equipment$255,954$1,306,717$1,562,671
Land$268,671-$268,671
Other Assets Org$206,246--

Endowment Activity

PeriodBeginningContrib.Gain/LossOther UsesEnd
2019$192,164-▲ $14,082-$206,246
2018$187,539-▲ $4,625-$192,164
2017$186,581-▲ $958-$187,539
2016$158,874-▲ $27,707-$186,581
2015$146,109-▲ $12,765-$158,874
Compensation and Service Providers
Top Officer Pay23rd percentile

Board Members and Trustees

NameTitle
John PencePresident
Jane FarrellLegal Adviso
Amy SpearsMember
Dr Mike LeiteMember
Dr Rich GrossMember
Heidi McbrideMember
Kristi PearceMember
Randy SchurMember
Trish LadnerMember
Anna MerrillSecretary
Robert PreussTreasurer
Dr Steve HolenVice Preside
Revenue and Support

Revenue Composition

Contributions and Grants
$146,794
Program Service Revenue
$673,306
Investment Income
$14,865
Other Revenue
$160,131
All Other Contributions
$146,794
Change in Net Assets
$-453,715

Audited Revenue Reconciliation

Revenue per Audited Statements
$995,096
Total Revenue per Audited Statements
$995,096
Total Revenue per Form 990
$995,096
Expenses and Functional Allocation

Major Expense Lines

Line ItemAmount
Salaries, Compensation, and Employee Benefits$874,467
Other Expenses$574,344
Total Fundraising Expense$49,827
Grants and Similar Amounts Paid$0
Professional Fundraising Fees$0

Functional Expense Allocation

Line ItemProgramManagementFundraisingTotal
Other Salaries and Wages$582,935$116,958$47,696$747,589
Depreciation Depletion$156,400$17,378-$173,778
Occupancy$107,570$27,329-$134,899
Other Employee Benefits$53,254$19,123-$72,377
Advertising$53,709$5,968-$59,677
Payroll Taxes$45,383$8,206$912$54,501
Office Expenses$230$38,815$115$39,160
Insurance$35,217$3,913-$39,130
Interest$26,980--$26,980
Information Technology$21,764--$21,764
Other Expenses$17,956$29,028$1,104$17,956
Travel$4,328$1,100-$5,428
Total Functional Expenses$1,131,166$267,818$49,827$1,448,811

Audited Expense Reconciliation

Line ItemAmount
Expenses per Audited Statements$1,448,811
Total Expenses per Audited Statements$1,448,811
Total Expenses per Form 990$1,448,811
Fundraising, Events, and Gaming
Fundraising activities
No
Gaming activities
No
Professional fundraiser used
No

Fundraising and Gaming Totals

Line ItemAmount
Professional Fundraising Fees$0
Political and Lobbying Activity
Political campaign activity
No
Lobbying activity
No
Subject to proxy tax
No
Debt and Bond Financing

Other Reported Liabilities

LiabilityAmount
Ppp Loan$177,498
Governance and Compliance

Governance Checklist

Compiled or reviewed by an accountant
No
Annual disclosure for covered persons
Yes
Audit committee
Yes
Business relationship with 35% controlled entity
No
Business relationship with family members
No
Business relationship with organization members
No
Material changes to governing documents
No
Compensation from other sources disclosed
No
CEO compensation reviewed
Yes
Other officer compensation reviewed
Yes
Conflict-of-interest policy
Yes
Audited financial statements prepared
No
Key decisions subject to board approval
No
Management duties delegated
No

Governance Explanations

Form 990, Page 6, Part VI, Line 11B

“The form 990 is made avaiable to all board members for review via email and during the quarterly meeting and is reviewed, at minimum, by the signing board member prior to filing.”

Form 990, Page 6, Part VI, Line 12C

“All, if any, conflicts of interest are brought to the board of directors to resolve. If a conflict involves a board member, then they cannot participate in, or vote on, the matter.”

Form 990, Page 6, Part VI, Line 15A

“Top management compensation is set by the board of directors.”

Form 990, Page 6, Part VI, Line 15B

“The board is a volunteer board and the members and officers are not compensated. Key employee compensation levels are determined and set by the board of directors.”

Form 990, Page 6, Part VI, Line 19

“All governing documents, policies and financial statements are maintained at the mammoth site's office and are made available to the public upon request.”

Filing and Contact Details

Filer

Filer Name
Mammoth Site of Hot Springs
EIN
46-0337824
Address
PO BOX 692, HOT SPRINGS, SD 57747

Signing Officer

Name
Robert Preuss
Title
Treasurer
Signed
2021-09-10
Discuss with paid preparer
Yes

Organization Details

Principal Officer
John Pence
Formed
1975
Legal Domicile
Sd
Voting Board Members
12
Independent Board Members
12
Employees
62
Volunteers
100

Preparer

Firm
Fenenga Desmet & Company LLC
Address
PO BOX 748, WINNER, SD 57580
Preparer
Anna Desmet
Phone
6058421757
Supplemental Narrative

Additional Explanations

FORM 990 - ORGANIZATION'S MISSION

“The mission of the organization is the preservation, research, and interpretation of the mammoth site of hot springs, south dakota, and development of a broad understanding of the late ice age record across a global framework.”

Financial Statement Notes

Schedule D, Page 2, Part V, Line 4

“The purpose of the endowment funds is to fund future operations of the mammoth site to ensure its continued existence and research.”

Raw XML AppendixShowing 400 of 497 raw XML fields

This appendix keeps the raw XML leaves available for debugging and edge-case review. The human report above is the primary experience.

Path#Value
IRS990/AccountantCompileOrReviewInd0false
IRS990/AccountsPayableAccrExpnssGrp/BOYAmt096097
IRS990/AccountsPayableAccrExpnssGrp/EOYAmt0108818
IRS990/AccountsReceivableGrp/BOYAmt013749
IRS990/AccountsReceivableGrp/EOYAmt01673
IRS990/ActivitiesConductedPrtshpInd0false
IRS990/ActivityOrMissionDesc0THE MISSION OF THE ORGANIZATION IS THE PRESERVATION, RESEARCH, AND INTERPRETATION OF THE MAMMOTH SITE OF HOT SPRINGS, SOUTH DAKOTA, AND DEVELOPMENT OF A BROAD UNDERSTANDING OF THE LATE ICE AGE RECORD ACROSS A GLOBAL FRAMEWORK.
IRS990/AdvertisingGrp/ManagementAndGeneralAmt05968
IRS990/AdvertisingGrp/ProgramServicesAmt053709
IRS990/AdvertisingGrp/TotalAmt059677
IRS990/AllOtherContributionsAmt0146794
IRS990/AnnualDisclosureCoveredPrsnInd0true
IRS990/AuditCommitteeInd0true
IRS990/BooksInCareOfDetail/PersonNm0PRESSTON GABEL
IRS990/BooksInCareOfDetail/PhoneNum06057456017
IRS990/BooksInCareOfDetail/USAddress/AddressLine1Txt0PO BOX 392
IRS990/BooksInCareOfDetail/USAddress/CityNm0HOT SPRINGS
IRS990/BooksInCareOfDetail/USAddress/StateAbbreviationCd0SD
IRS990/BooksInCareOfDetail/USAddress/ZIPCd057747
IRS990/BusinessRlnWith35CtrlEntInd0false
IRS990/BusinessRlnWithFamMemInd0false
IRS990/BusinessRlnWithOrgMemInd0false
IRS990/CashNonInterestBearingGrp/BOYAmt0217793
IRS990/CashNonInterestBearingGrp/EOYAmt0253120
IRS990/ChangeToOrgDocumentsInd0false
IRS990/CollectionsOfArtInd0true
IRS990/CompensationFromOtherSrcsInd0false
IRS990/CompensationProcessCEOInd0true
IRS990/CompensationProcessOtherInd0true
IRS990/ConflictOfInterestPolicyInd0true
IRS990/ConservationEasementsInd0false
IRS990/ConsolidatedAuditFinclStmtInd0false
IRS990/CostOfGoodsSoldAmt0237131
IRS990/CreditCounselingInd0false
IRS990/CYBenefitsPaidToMembersAmt00
IRS990/CYContributionsGrantsAmt0146794
IRS990/CYGrantsAndSimilarPaidAmt00
IRS990/CYInvestmentIncomeAmt014865
IRS990/CYOtherExpensesAmt0574344
IRS990/CYOtherRevenueAmt0160131
IRS990/CYProgramServiceRevenueAmt0673306
IRS990/CYRevenuesLessExpensesAmt0-453715
IRS990/CYSalariesCompEmpBnftPaidAmt0874467
IRS990/CYTotalExpensesAmt01448811
IRS990/CYTotalFundraisingExpenseAmt049827
IRS990/CYTotalProfFndrsngExpnsAmt00
IRS990/CYTotalRevenueAmt0995096
IRS990/DecisionsSubjectToApprovaInd0false
IRS990/DeductibleArtContributionInd0false
IRS990/DeductibleNonCashContriInd0false
IRS990/DelegationOfMgmtDutiesInd0false
IRS990/DepreciationDepletionGrp/ManagementAndGeneralAmt017378
IRS990/DepreciationDepletionGrp/ProgramServicesAmt0156400
IRS990/DepreciationDepletionGrp/TotalAmt0173778
IRS990/Desc0RECOVER, PRESERVE AND EXHIBIT FINDINGS FROM THE MAMMOTH SITE. PROVIDE EDUCATIONAL PROGRAMS AND GUIDED TOURS OF THE SITE AND BONEBED.
IRS990/DescribedInSection501c3Ind0true
IRS990/DisregardedEntityInd0false
IRS990/DocumentRetentionPolicyInd0true
IRS990/DonorAdvisedFundInd0false
IRS990/DonorRestrictionNetAssetsGrp/BOYAmt0123463
IRS990/DonorRestrictionNetAssetsGrp/EOYAmt034989
IRS990/DonorRstrOrQuasiEndowmentsInd0true
IRS990/ElectionOfBoardMembersInd0false
IRS990/EmployeeCnt062
IRS990/EmploymentTaxReturnsFiledInd0true
IRS990/EngagedInExcessBenefitTransInd0false
IRS990/ExpenseAmt01131166
IRS990/FamilyOrBusinessRlnInd0false
IRS990/FederalGrantAuditRequiredInd0false
IRS990/ForeignActivitiesInd0false
IRS990/ForeignFinancialAccountInd0false
IRS990/ForeignOfficeInd0false
IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd0X
IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd1X
IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd2X
IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd3X
IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd4X
IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd5X
IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd6X
IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd7X
IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd8X
IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd9X
IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd10X
IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd11X
IRS990/Form990PartVIISectionAGrp/OfficerInd0X
IRS990/Form990PartVIISectionAGrp/OfficerInd1X
IRS990/Form990PartVIISectionAGrp/OfficerInd2X
IRS990/Form990PartVIISectionAGrp/OfficerInd3X
IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt00
IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt10
IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt20
IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt30
IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt40
IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt50
IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt60
IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt70
IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt80
IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt90
IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt100
IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt110
IRS990/Form990PartVIISectionAGrp/PersonNm0JANE FARRELL
IRS990/Form990PartVIISectionAGrp/PersonNm1DR RICH GROSS
IRS990/Form990PartVIISectionAGrp/PersonNm2DR STEVE HOLEN
IRS990/Form990PartVIISectionAGrp/PersonNm3TRISH LADNER
IRS990/Form990PartVIISectionAGrp/PersonNm4DR MIKE LEITE
IRS990/Form990PartVIISectionAGrp/PersonNm5HEIDI MCBRIDE
IRS990/Form990PartVIISectionAGrp/PersonNm6ANNA MERRILL
IRS990/Form990PartVIISectionAGrp/PersonNm7KRISTI PEARCE
IRS990/Form990PartVIISectionAGrp/PersonNm8JOHN PENCE
IRS990/Form990PartVIISectionAGrp/PersonNm9ROBERT PREUSS
IRS990/Form990PartVIISectionAGrp/PersonNm10RANDY SCHUR
IRS990/Form990PartVIISectionAGrp/PersonNm11AMY SPEARS
IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt00
IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt10
IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt20
IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt30
IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt40
IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt50
IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt60
IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt70
IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt80
IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt90
IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt100
IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt110
IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt00
IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt10
IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt20
IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt30
IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt40
IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt50
IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt60
IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt70
IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt80
IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt90
IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt100
IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt110
IRS990/Form990PartVIISectionAGrp/TitleTxt0LEGAL ADVISO
IRS990/Form990PartVIISectionAGrp/TitleTxt1MEMBER
IRS990/Form990PartVIISectionAGrp/TitleTxt2VICE PRESIDE
IRS990/Form990PartVIISectionAGrp/TitleTxt3MEMBER
IRS990/Form990PartVIISectionAGrp/TitleTxt4MEMBER
IRS990/Form990PartVIISectionAGrp/TitleTxt5MEMBER
IRS990/Form990PartVIISectionAGrp/TitleTxt6SECRETARY
IRS990/Form990PartVIISectionAGrp/TitleTxt7MEMBER
IRS990/Form990PartVIISectionAGrp/TitleTxt8PRESIDENT
IRS990/Form990PartVIISectionAGrp/TitleTxt9TREASURER
IRS990/Form990PartVIISectionAGrp/TitleTxt10MEMBER
IRS990/Form990PartVIISectionAGrp/TitleTxt11MEMBER
IRS990/Form990ProvidedToGvrnBodyInd0true
IRS990/FormationYr01975
IRS990/FormerOfcrEmployeesListedInd0false
IRS990/FSAuditedBasisGrp/SeparateBasisFinclStmtInd0X
IRS990/FSAuditedInd0true
IRS990/FundraisingActivitiesInd0false
IRS990/GamingActivitiesInd0false
IRS990/GoverningBodyVotingMembersCnt012
IRS990/GrantsToIndividualsInd0false
IRS990/GrantsToOrganizationsInd0false
IRS990/GrantToRelatedPersonInd0false
IRS990/GrossReceiptsAmt01232227
IRS990/GrossSalesOfInventoryAmt0397262
IRS990/GroupReturnForAffiliatesInd0false
IRS990/IncludeFIN48FootnoteInd0false
IRS990/IndependentAuditFinclStmtInd0true
IRS990/IndependentVotingMemberCnt012
IRS990/IndoorTanningServicesInd0false
IRS990/InfoInScheduleOPartIIIInd0X
IRS990/InfoInScheduleOPartVIInd0X
IRS990/InformationTechnologyGrp/ProgramServicesAmt021764
IRS990/InformationTechnologyGrp/TotalAmt021764
IRS990/InsuranceGrp/ManagementAndGeneralAmt03913
IRS990/InsuranceGrp/ProgramServicesAmt035217
IRS990/InsuranceGrp/TotalAmt039130
IRS990/InterestGrp/ProgramServicesAmt026980
IRS990/InterestGrp/TotalAmt026980
IRS990/InventoriesForSaleOrUseGrp/BOYAmt0172646
IRS990/InventoriesForSaleOrUseGrp/EOYAmt0105034
IRS990/InvestmentIncomeGrp/ExclusionAmt014865
IRS990/InvestmentIncomeGrp/TotalRevenueColumnAmt014865
IRS990/InvestmentInJointVentureInd0false
IRS990/IRPDocumentCnt014
IRS990/IRPDocumentW2GCnt00
IRS990/LandBldgEquipAccumDeprecAmt03498763
IRS990/LandBldgEquipBasisNetGrp/BOYAmt02773094
IRS990/LandBldgEquipBasisNetGrp/EOYAmt02776195
IRS990/LandBldgEquipCostOrOtherBssAmt06274958
IRS990/LegalDomicileStateCd0SD
IRS990/LoanOutstandingInd0false
IRS990/LobbyingActivitiesInd0false
IRS990/LocalChaptersInd0false
IRS990/MaterialDiversionOrMisuseInd0false
IRS990/MembersOrStockholdersInd0false
IRS990/MethodOfAccountingAccrualInd0X
IRS990/MinutesOfCommitteesInd0true
IRS990/MinutesOfGoverningBodyInd0true
IRS990/MissionDesc0THE MISSION OF THE ORGANIZATION IS THE PRESERVATION, RESEARCH, AND INTERPRETATION OF THE MAMMOTH SITE OF HOT SPRINGS, SOUTH DAKOTA, AND DEVELOPMENT OF A BROAD UNDERSTANDING OF THE LATE ICE AGE RECORD ACROSS A GLOBAL FRAMEWORK.
IRS990/MoreThan5000KToIndividualsInd0false
IRS990/MoreThan5000KToOrgInd0false
IRS990/MortgNotesPyblScrdInvstPropGrp/BOYAmt0805837
IRS990/MortgNotesPyblScrdInvstPropGrp/EOYAmt0942800
IRS990/NetAssetsOrFundBalancesBOYAmt03045941
IRS990/NetAssetsOrFundBalancesEOYAmt02592226
IRS990/NetIncomeOrLossGrp/RelatedOrExemptFuncIncomeAmt0160131
IRS990/NetIncomeOrLossGrp/TotalRevenueColumnAmt0160131
IRS990/NoDonorRestrictionNetAssetsGrp/BOYAmt02922478
IRS990/NoDonorRestrictionNetAssetsGrp/EOYAmt02557237
IRS990/NoListedPersonsCompensatedInd0X
IRS990/NondeductibleContributionsInd0false
IRS990/OccupancyGrp/ManagementAndGeneralAmt027329
IRS990/OccupancyGrp/ProgramServicesAmt0107570
IRS990/OccupancyGrp/TotalAmt0134899
IRS990/OfficeExpensesGrp/FundraisingAmt0115
IRS990/OfficeExpensesGrp/ManagementAndGeneralAmt038815
IRS990/OfficeExpensesGrp/ProgramServicesAmt0230
IRS990/OfficeExpensesGrp/TotalAmt039160
IRS990/OfficerMailingAddressInd0false
IRS990/OperateHospitalInd0false
IRS990/Organization501c3Ind0X
IRS990/OrganizationFollowsFASB117Ind0X
IRS990/OtherAssetsTotalGrp/BOYAmt0195482
IRS990/OtherAssetsTotalGrp/EOYAmt0206246
IRS990/OtherEmployeeBenefitsGrp/ManagementAndGeneralAmt019123
IRS990/OtherEmployeeBenefitsGrp/ProgramServicesAmt053254
IRS990/OtherEmployeeBenefitsGrp/TotalAmt072377
IRS990/OtherExpensesGrp/Desc0OTHER OPERATING EXPENSES
IRS990/OtherExpensesGrp/Desc1PROGRAM SUPPLIES
IRS990/OtherExpensesGrp/Desc2CREDIT CARD FEES
IRS990/OtherExpensesGrp/FundraisingAmt01104
IRS990/OtherExpensesGrp/ManagementAndGeneralAmt029028
IRS990/OtherExpensesGrp/ProgramServicesAmt07474
IRS990/OtherExpensesGrp/ProgramServicesAmt117966
IRS990/OtherExpensesGrp/ProgramServicesAmt217956
IRS990/OtherExpensesGrp/TotalAmt037606
IRS990/OtherExpensesGrp/TotalAmt117966
IRS990/OtherExpensesGrp/TotalAmt217956
IRS990/OtherLiabilitiesGrp/EOYAmt0177498
IRS990/OtherSalariesAndWagesGrp/FundraisingAmt047696
IRS990/OtherSalariesAndWagesGrp/ManagementAndGeneralAmt0116958
IRS990/OtherSalariesAndWagesGrp/ProgramServicesAmt0582935
IRS990/OtherSalariesAndWagesGrp/TotalAmt0747589
IRS990/PartialLiquidationInd0false
IRS990/PayrollTaxesGrp/FundraisingAmt0912
IRS990/PayrollTaxesGrp/ManagementAndGeneralAmt08206
IRS990/PayrollTaxesGrp/ProgramServicesAmt045383
IRS990/PayrollTaxesGrp/TotalAmt054501
IRS990/PledgesAndGrantsReceivableGrp/BOYAmt01550
IRS990/PoliticalCampaignActyInd0false
IRS990/PrepaidExpensesDefrdChargesGrp/BOYAmt06990
IRS990/PrepaidExpensesDefrdChargesGrp/EOYAmt011940
IRS990/PrincipalOfficerNm0JOHN PENCE
IRS990/ProfessionalFundraisingInd0false
IRS990/ProgramServiceRevenueGrp/BusinessCd0541700
IRS990/ProgramServiceRevenueGrp/BusinessCd1541700
IRS990/ProgramServiceRevenueGrp/BusinessCd2611710
IRS990/ProgramServiceRevenueGrp/BusinessCd3611710
IRS990/ProgramServiceRevenueGrp/Desc0ADMISSIONS & TOURS
IRS990/ProgramServiceRevenueGrp/Desc1EDUCATIONAL PROGRAMS
IRS990/ProgramServiceRevenueGrp/Desc2OTHER INCOME
IRS990/ProgramServiceRevenueGrp/Desc3MEMBERSHIPS
IRS990/ProgramServiceRevenueGrp/RelatedOrExemptFuncIncomeAmt0609965
IRS990/ProgramServiceRevenueGrp/RelatedOrExemptFuncIncomeAmt142725
IRS990/ProgramServiceRevenueGrp/RelatedOrExemptFuncIncomeAmt212425
IRS990/ProgramServiceRevenueGrp/RelatedOrExemptFuncIncomeAmt38191
IRS990/ProgramServiceRevenueGrp/TotalRevenueColumnAmt0609965
IRS990/ProgramServiceRevenueGrp/TotalRevenueColumnAmt142725
IRS990/ProgramServiceRevenueGrp/TotalRevenueColumnAmt212425
IRS990/ProgramServiceRevenueGrp/TotalRevenueColumnAmt38191
IRS990/ProhibitedTaxShelterTransInd0false
IRS990/PYContributionsGrantsAmt0464766
IRS990/PYExcessBenefitTransInd0false
IRS990/PYInvestmentIncomeAmt06640
IRS990/PYOtherExpensesAmt0620768
IRS990/PYOtherRevenueAmt0263648
IRS990/PYProgramServiceRevenueAmt0928279
IRS990/PYRevenuesLessExpensesAmt0115884
IRS990/PYSalariesCompEmpBnftPaidAmt0926681
IRS990/PYTotalExpensesAmt01547449
IRS990/PYTotalRevenueAmt01663333
IRS990/ReconcilationRevenueExpnssAmt0-453715
IRS990/RegularMonitoringEnfrcInd0true
IRS990/RelatedEntityInd0false
IRS990/RelatedOrganizationCtrlEntInd0false
IRS990/ReportInvestmentsOtherSecInd0false
IRS990/ReportLandBuildingEquipmentInd0true
IRS990/ReportOtherAssetsInd0true
IRS990/ReportOtherLiabilitiesInd0true
IRS990/ReportProgramRelatedInvstInd0false
IRS990/RevenueAmt0673306
IRS990/SavingsAndTempCashInvstGrp/BOYAmt0566571
IRS990/SavingsAndTempCashInvstGrp/EOYAmt0467134
IRS990ScheduleA/AmountsRcvdDsqlfyPersonGrp/CurrentTaxYearMinus1YearAmt040000
IRS990ScheduleA/AmountsRcvdDsqlfyPersonGrp/CurrentTaxYearMinus2YearsAmt016000
IRS990ScheduleA/AmountsRcvdDsqlfyPersonGrp/CurrentTaxYearMinus3YearsAmt017600
IRS990ScheduleA/AmountsRcvdDsqlfyPersonGrp/CurrentTaxYearMinus4YearsAmt012175
IRS990ScheduleA/AmountsRcvdDsqlfyPersonGrp/TotalAmt085775
IRS990ScheduleA/GiftsGrantsContrisRcvd509Grp/CurrentTaxYearAmt0146794
IRS990ScheduleA/GiftsGrantsContrisRcvd509Grp/CurrentTaxYearMinus1YearAmt0464766
IRS990ScheduleA/GiftsGrantsContrisRcvd509Grp/CurrentTaxYearMinus2YearsAmt0335869
IRS990ScheduleA/GiftsGrantsContrisRcvd509Grp/CurrentTaxYearMinus3YearsAmt0263365
IRS990ScheduleA/GiftsGrantsContrisRcvd509Grp/CurrentTaxYearMinus4YearsAmt0250327
IRS990ScheduleA/GiftsGrantsContrisRcvd509Grp/TotalAmt01461121
IRS990ScheduleA/GrossInvestmentIncome509Grp/CurrentTaxYearAmt014865
IRS990ScheduleA/GrossInvestmentIncome509Grp/CurrentTaxYearMinus1YearAmt06640
IRS990ScheduleA/GrossInvestmentIncome509Grp/CurrentTaxYearMinus2YearsAmt03505
IRS990ScheduleA/GrossInvestmentIncome509Grp/CurrentTaxYearMinus3YearsAmt03112
IRS990ScheduleA/GrossInvestmentIncome509Grp/CurrentTaxYearMinus4YearsAmt03278
IRS990ScheduleA/GrossInvestmentIncome509Grp/TotalAmt031400
IRS990ScheduleA/GrossReceiptsAdmissionsGrp/CurrentTaxYearAmt01070568
IRS990ScheduleA/GrossReceiptsAdmissionsGrp/CurrentTaxYearMinus1YearAmt01428260
IRS990ScheduleA/GrossReceiptsAdmissionsGrp/CurrentTaxYearMinus2YearsAmt01406302
IRS990ScheduleA/GrossReceiptsAdmissionsGrp/CurrentTaxYearMinus3YearsAmt01384799
IRS990ScheduleA/GrossReceiptsAdmissionsGrp/CurrentTaxYearMinus4YearsAmt01404351
IRS990ScheduleA/GrossReceiptsAdmissionsGrp/TotalAmt06694280
IRS990ScheduleA/InvestmentIncomeAndUBTIGrp/CurrentTaxYearAmt014865
IRS990ScheduleA/InvestmentIncomeAndUBTIGrp/CurrentTaxYearMinus1YearAmt06640
IRS990ScheduleA/InvestmentIncomeAndUBTIGrp/CurrentTaxYearMinus2YearsAmt03505
IRS990ScheduleA/InvestmentIncomeAndUBTIGrp/CurrentTaxYearMinus3YearsAmt03112
IRS990ScheduleA/InvestmentIncomeAndUBTIGrp/CurrentTaxYearMinus4YearsAmt03278
IRS990ScheduleA/InvestmentIncomeAndUBTIGrp/TotalAmt031400
IRS990ScheduleA/InvestmentIncomeCYPct00.00000
IRS990ScheduleA/InvestmentIncomePYPct00.00000
IRS990ScheduleA/PubliclySupportedOrg509a2Ind0X
IRS990ScheduleA/PublicSupportCY509Pct00.91250
IRS990ScheduleA/PublicSupportPY509Pct00.91000
IRS990ScheduleA/PublicSupportTotal509Amt07470327
IRS990ScheduleA/SubstAndDsqlfyPrsnsTotGrp/CurrentTaxYearAmt017678
IRS990ScheduleA/SubstAndDsqlfyPrsnsTotGrp/CurrentTaxYearMinus1YearAmt0288809
IRS990ScheduleA/SubstAndDsqlfyPrsnsTotGrp/CurrentTaxYearMinus2YearsAmt0168543
IRS990ScheduleA/SubstAndDsqlfyPrsnsTotGrp/CurrentTaxYearMinus3YearsAmt096748
IRS990ScheduleA/SubstAndDsqlfyPrsnsTotGrp/CurrentTaxYearMinus4YearsAmt0113296
IRS990ScheduleA/SubstAndDsqlfyPrsnsTotGrp/TotalAmt0685074
IRS990ScheduleA/SubstantialContributorsAmtGrp/CurrentTaxYearAmt017678
IRS990ScheduleA/SubstantialContributorsAmtGrp/CurrentTaxYearMinus1YearAmt0248809
IRS990ScheduleA/SubstantialContributorsAmtGrp/CurrentTaxYearMinus2YearsAmt0152543
IRS990ScheduleA/SubstantialContributorsAmtGrp/CurrentTaxYearMinus3YearsAmt079148
IRS990ScheduleA/SubstantialContributorsAmtGrp/CurrentTaxYearMinus4YearsAmt0101121
IRS990ScheduleA/SubstantialContributorsAmtGrp/TotalAmt0599299
IRS990ScheduleA/ThirtyThrPctSuprtTestsCY509Ind0X
IRS990ScheduleA/Total509Grp/CurrentTaxYearAmt01217362
IRS990ScheduleA/Total509Grp/CurrentTaxYearMinus1YearAmt01893026
IRS990ScheduleA/Total509Grp/CurrentTaxYearMinus2YearsAmt01742171
IRS990ScheduleA/Total509Grp/CurrentTaxYearMinus3YearsAmt01648164
IRS990ScheduleA/Total509Grp/CurrentTaxYearMinus4YearsAmt01654678
IRS990ScheduleA/Total509Grp/TotalAmt08155401
IRS990ScheduleA/TotalSupportCalendarYearGrp/CurrentTaxYearAmt01232227
IRS990ScheduleA/TotalSupportCalendarYearGrp/CurrentTaxYearMinus1YearAmt01899666
IRS990ScheduleA/TotalSupportCalendarYearGrp/CurrentTaxYearMinus2YearsAmt01745676
IRS990ScheduleA/TotalSupportCalendarYearGrp/CurrentTaxYearMinus3YearsAmt01651276
IRS990ScheduleA/TotalSupportCalendarYearGrp/CurrentTaxYearMinus4YearsAmt01657956
IRS990ScheduleA/TotalSupportCalendarYearGrp/TotalAmt08186801
IRS990ScheduleB/ContributorInformationGrp/ContributorBusinessName/BusinessNameLine10RESTRICTED
IRS990ScheduleB/ContributorInformationGrp/ContributorNum0RESTRICTED
IRS990ScheduleB/ContributorInformationGrp/ContributorUSAddress/AddressLine10RESTRICTED
IRS990ScheduleB/ContributorInformationGrp/ContributorUSAddress/AddressLine20RESTRICTED
IRS990ScheduleB/ContributorInformationGrp/ContributorUSAddress/City0RESTRICTED
IRS990ScheduleB/ContributorInformationGrp/ContributorUSAddress/State0RESTRICTED
IRS990ScheduleB/ContributorInformationGrp/ContributorUSAddress/ZIPCode0RESTRICTED
IRS990ScheduleB/ContributorInformationGrp/TotalContributionsAmt0RESTRICTED
IRS990/ScheduleBRequiredInd0true
IRS990ScheduleD/BoardDesignatedBalanceEOYPct00.80820
IRS990ScheduleD/BuildingsGrp/BookValueAmt02251570
IRS990ScheduleD/BuildingsGrp/DepreciationAmt02192046
IRS990ScheduleD/BuildingsGrp/OtherCostOrOtherBasisAmt04443616
IRS990ScheduleD/CollectionUsedPreservationInd0X
IRS990ScheduleD/CollectionUsedPubExhibitionInd0X
IRS990ScheduleD/CollUsedLoanOrExchProgInd0X
IRS990ScheduleD/CollUsedScholarlyRsrchInd0X
IRS990ScheduleD/CYEndwmtFundGrp/BeginningYearBalanceAmt0192164
IRS990ScheduleD/CYEndwmtFundGrp/EndYearBalanceAmt0206246
IRS990ScheduleD/CYEndwmtFundGrp/InvestmentEarningsOrLossesAmt014082
IRS990ScheduleD/CYMinus1YrEndwmtFundGrp/BeginningYearBalanceAmt0187539
IRS990ScheduleD/CYMinus1YrEndwmtFundGrp/EndYearBalanceAmt0192164
IRS990ScheduleD/CYMinus1YrEndwmtFundGrp/InvestmentEarningsOrLossesAmt04625
IRS990ScheduleD/CYMinus2YrEndwmtFundGrp/BeginningYearBalanceAmt0186581
IRS990ScheduleD/CYMinus2YrEndwmtFundGrp/EndYearBalanceAmt0187539
IRS990ScheduleD/CYMinus2YrEndwmtFundGrp/InvestmentEarningsOrLossesAmt0958
IRS990ScheduleD/CYMinus3YrEndwmtFundGrp/BeginningYearBalanceAmt0158874
IRS990ScheduleD/CYMinus3YrEndwmtFundGrp/EndYearBalanceAmt0186581
IRS990ScheduleD/CYMinus3YrEndwmtFundGrp/InvestmentEarningsOrLossesAmt027707
IRS990ScheduleD/CYMinus4YrEndwmtFundGrp/BeginningYearBalanceAmt0146109
IRS990ScheduleD/CYMinus4YrEndwmtFundGrp/EndYearBalanceAmt0158874
IRS990ScheduleD/CYMinus4YrEndwmtFundGrp/InvestmentEarningsOrLossesAmt012765
IRS990ScheduleD/EndowmentsHeldRelatedOrgInd0false
IRS990ScheduleD/EndowmentsHeldUnrelatedOrgInd0true
IRS990ScheduleD/EquipmentGrp/BookValueAmt0255954
IRS990ScheduleD/EquipmentGrp/DepreciationAmt01306717
IRS990ScheduleD/EquipmentGrp/OtherCostOrOtherBasisAmt01562671
IRS990ScheduleD/ExpensesSubtotalAmt01448811
IRS990ScheduleD/LandGrp/BookValueAmt0268671
IRS990ScheduleD/LandGrp/OtherCostOrOtherBasisAmt0268671
IRS990ScheduleD/OtherAssetsOrgGrp/BookValueAmt0206246
IRS990ScheduleD/OtherAssetsOrgGrp/Desc0BENEFICIAL INTEREST IN CF
IRS990ScheduleD/OtherLiabilitiesOrgGrp/Amt0177498
IRS990ScheduleD/OtherLiabilitiesOrgGrp/Desc0PPP LOAN
IRS990ScheduleD/PrmnntEndowmentBalanceEOYPct00.19180
IRS990ScheduleD/RevenueSubtotalAmt0995096
IRS990ScheduleD/SolicitedAssetsSaleInd0false
IRS990ScheduleD/SupplementalInformationDetail/ExplanationTxt0THE PURPOSE OF THE ENDOWMENT FUNDS IS TO FUND FUTURE OPERATIONS OF THE MAMMOTH SITE TO ENSURE ITS CONTINUED EXISTENCE AND RESEARCH.
IRS990ScheduleD/SupplementalInformationDetail/FormAndLineReferenceDesc0SCHEDULE D, PAGE 2, PART V, LINE 4
IRS990ScheduleD/TotalBookValueLandBuildingsAmt02776195

Document Assets

No mirrored PDF or thumbnail assets are attached yet.