Civic Intelligence

Minnilusa Historical Association

EIN 46-6008615 • 501(c)3 • Rapid City, SD

Profile

Advance the knowledge of pioneer life by managing and maintaining a pioneer museum as a public service, promoting an awareness of the contributions to this area made by our founders and early settlers, collecting, preserving, interepreting and exhibiting historical items and prov

222 New York StRapid City, SD 57701

n/A

Siviq Scores

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

Liabilities / Assets

Score unavailable

No value available

Liabilities-to-assets requires both liabilities and assets on the latest valid filing.

Source year 2025

Liabilities / Revenue

61st percentile

0.00x

Tied with the lowest-debt nonprofits in its peer group.

501(c)3 • <$500k nonprofits • Source year 2025

Net Margin

3rd percentile

-1308%

Higher net margin than 3% of similar nonprofits.

501(c)3 • <$500k nonprofits • Source year 2025

Top Officer Pay

Score unavailable

No value available

No filing with officer rows is available for this organization yet.

Asset Growth

9th percentile

-100%

Faster asset growth than 9% of similar nonprofits.

501(c)3 • <$500k nonprofits • Annualized from 2024 to 2025

Revenue Growth

12th percentile

-64%

Faster revenue growth than 12% of similar nonprofits.

501(c)3 • <$500k nonprofits • Annualized from 2024 to 2025

Balance Sheet
Liabilities / AssetsScore unavailable

Assets

Down

$0

Down $2,497,736 (-100%) from 2024

Liabilities

Down

$0

Down $1,629 (-100%) from 2024

Net Assets

Down

$0

Down $2,496,107 (-100%) from 2024

Operations
Liabilities / Revenue61st percentileNet Margin3rd percentile

Revenue

Down

$197,093

Down $355,100 (-64%) from 2024

Expenses

Up

$2,774,467

Up $2,644,909 (+2041%) from 2024

Net Income

Down

-$2,577,374

Down $3,000,009 (-710%) from 2024

Trend Graphs

Balance Sheet Trend

Asset Growth9th percentile

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

$3.0M$2.0M$1.0M$0Assets 2010: $1,934,205Liabilities 2010: $0Net Assets 2010: $1,934,2052010Assets 2011: $1,833,288Liabilities 2011: $955Net Assets 2011: $1,832,3332011Assets 2012: $1,952,617Liabilities 2012: $932Net Assets 2012: $1,951,6852012Assets 2013: $2,110,535Liabilities 2013: $1,460Net Assets 2013: $2,109,0752013Assets 2014: $2,133,957Liabilities 2014: $460Net Assets 2014: $2,133,4972014Assets 2015: $2,011,976Liabilities 2015: $1,244Net Assets 2015: $2,010,7322015Assets 2016: $2,086,824Liabilities 2016: $1,182Net Assets 2016: $2,085,6422016Assets 2017: $2,240,403Liabilities 2017: $914Net Assets 2017: $2,239,4892017Assets 2018: $2,046,950Liabilities 2018: $1,821Net Assets 2018: $2,045,1292018Assets 2019: $2,301,566Liabilities 2019: $1,323Net Assets 2019: $2,300,2432019Assets 2020: $2,511,507Liabilities 2020: $1,363Net Assets 2020: $2,510,1442020Assets 2021: $2,707,994Liabilities 2021: $1,446Net Assets 2021: $2,706,5482021Assets 2022: $2,149,300Liabilities 2022: $1,852Net Assets 2022: $2,147,4482022Assets 2023: $2,383,941Liabilities 2023: $1,627Net Assets 2023: $2,382,3142023Assets 2024: $2,497,736Liabilities 2024: $1,629Net Assets 2024: $2,496,1072024Assets 2025: $0Liabilities 2025: $0Net Assets 2025: $02025

Highlighted filing

2025

Assets$0
Liabilities$0
Net Assets$0
Open 2025 Filing

Operations Trend

Revenue Growth12th percentile

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

$4.0M$2.0M$0-$2.0M-$4.0MExpenses 2010: $79,8512010Expenses 2011: $84,4422011Expenses 2012: $91,5122012Revenue 2013: $139,059Expenses 2013: $94,827Net Income 2013: $44,2322013Revenue 2014: $115,400Expenses 2014: $87,477Net Income 2014: $27,9232014Revenue 2015: $132,578Expenses 2015: $93,426Net Income 2015: $39,1522015Revenue 2016: $56,802Expenses 2016: $98,086Net Income 2016: -$41,2842016Revenue 2017: $126,388Expenses 2017: $123,493Net Income 2017: $2,8952017Revenue 2018: $167,470Expenses 2018: $99,103Net Income 2018: $68,3672018Revenue 2019: $206,463Expenses 2019: $158,491Net Income 2019: $47,9722019Revenue 2020: $130,156Expenses 2020: $168,835Net Income 2020: -$38,6792020Revenue 2021: $216,992Expenses 2021: $113,810Net Income 2021: $103,1822021Revenue 2022: $19,482Expenses 2022: $138,035Net Income 2022: -$118,5532022Revenue 2023: $119,503Expenses 2023: $139,845Net Income 2023: -$20,3422023Revenue 2024: $552,193Expenses 2024: $129,558Net Income 2024: $422,6352024Revenue 2025: $197,093Expenses 2025: $2,774,467Net Income 2025: -$2,577,3742025

Highlighted filing

2025

Revenue$197,093
Expenses$2,774,467
Net Income-$2,577,374
Open 2025 Filing

Filings

Most recent year

2025 • Form 990Detailed filing. Detailed filing data is available for this year.

Open filing
Assets
$0
Liabilities
$0
Net assets
$0
Revenue
$197,093
Expenses
$2,774,467
Net income
-$2,577,374
Balance SheetOperations
YearAssetsLiabilitiesNet AssetsRevenueExpensesNet Income
2025Detailed filing. Detailed filing data is available for this year.$0.00$0.00$0.00$0.20$2.77$2.58
2024Detailed filing. Detailed filing data is available for this year.$2.50$0.00$2.50$0.55$0.13$0.42
2023Detailed filing. Detailed filing data is available for this year.$2.38$0.00$2.38$0.12$0.14$0.02
2022Detailed filing. Detailed filing data is available for this year.$2.15$0.00$2.15$0.02$0.14$0.12
2021Detailed filing. Detailed filing data is available for this year.$2.71$0.00$2.71$0.22$0.11$0.10
2020Facts available. Structured filing facts are available, but richer extracted sections are limited.$2.51$0.00$2.51$0.13$0.17$0.04
2019Detailed filing. Detailed filing data is available for this year.$2.30$0.00$2.30$0.21$0.16$0.05
2018Detailed filing. Detailed filing data is available for this year.$2.05$0.00$2.05$0.17$0.10$0.07
2017Detailed filing. Detailed filing data is available for this year.$2.24$0.00$2.24$0.13$0.12$0.00
2016Detailed filing. Detailed filing data is available for this year.$2.09$0.00$2.09$0.06$0.10$0.04
2015Detailed filing. Detailed filing data is available for this year.$2.01$0.00$2.01$0.13$0.09$0.04
2014Detailed filing. Detailed filing data is available for this year.$2.13$0.00$2.13$0.12$0.09$0.03
2013Detailed filing. Detailed filing data is available for this year.$2.11$0.00$2.11$0.14$0.09$0.04
2012Facts available. Structured filing facts are available, but richer extracted sections are limited.$1.95$0.00$1.95$0.09
2011Facts available. Structured filing facts are available, but richer extracted sections are limited.$1.83$0.00$1.83$0.08
2010Facts available. Structured filing facts are available, but richer extracted sections are limited.$1.93$0.00$1.93$0.08
Latest Filing Detail
Jump To
Filing Snapshot
Filing Period
Jan 1, 2025 to Jun 30, 2025
Signed
Jan 27, 2026
Return Version
2025v4.0
Gross Receipts
$197,093
Mission and Program Overview

Mission

Advance the knowledge of pioneer life by managing and maintaining a pioneer museum as a public service, promoting an awareness of the contributions to this area made by our founders and early settlers, collecting, preserving, interepreting and exhibiting historical items and prov

Balance Sheet Detail
LineBeginningEndChange
Assets
Investments in Publicly Traded Securities$2,403,641--
Cash and Non-Interest-Bearing Accounts$90,903--
Land, Buildings, and Equipment, Net$3,192--
Total Assets$2,497,736$0▼ $2,497,736
Liabilities
Accounts Payable and Accrued Expenses$1,629--
Total Liabilities$1,629$0▼ $1,629
Net Assets / Fund Balance
Net Assets Without Donor Restrictions$2,496,107--
Total Net Assets Fund Balance$2,496,107$0▼ $2,496,107
Total Liabilities and Net Assets / Fund Balance$2,497,736$0▼ $2,497,736

Asset Categories

AssetBook ValueDepreciationBasis
Other Land Buildings$43,511$1,802$45,313
Compensation and Service Providers
Top Officer PayScore unavailable

Employees

NameTitleBaseTotal
Mark SlocumExecutive Director$32,382$32,382

Board Members and Trustees

NameTitle
Pat RoselandPresident
Frank Van NuysVice President
Ed MclaughlinDirector
Johnny SundbyDirector
Kathryn HenningDirector
Mike DemerssemanDirector
Randy DaughenbaughDirector
Ryan BurkeDirector
Ken WredeSecretary
John WilmesTreasurer
Revenue and Support

Revenue Composition

Contributions and Grants
$81,589
Program Service Revenue
$0
Investment Income
$115,504
Other Revenue
$0
All Other Contributions
$30,526
Change in Net Assets
$-2,577,374
Expenses and Functional Allocation

Major Expense Lines

Line ItemAmount
Other Expenses$2,737,911
Salaries, Compensation, and Employee Benefits$36,556
Grants and Similar Amounts Paid$0
Professional Fundraising Fees$0
Total Fundraising Expense$0

Functional Expense Allocation

Line ItemProgramManagementFundraisingTotal
Current Officers, Directors, Trustees, and Key Employees$32,382--$32,382
Fees for Service Investment Mgmnt Fees$13,107--$13,107
Insurance$6,441--$6,441
Occupancy$5,000--$5,000
Fees for Services Accounting$3,515--$3,515
Payroll Taxes$2,529--$2,529
Depreciation Depletion$1,802--$1,802
Pension Plan Contributions$971--$971
Office Expenses$767--$767
Other Salaries and Wages$674--$674
Other Expenses$123--$123
Fees for Services Other$27--$27
Total Functional Expenses$2,774,467$0$0$2,774,467
Fundraising, Events, and Gaming
Fundraising activities
Yes
Gaming activities
No
Professional fundraiser used
No

Fundraising and Gaming Totals

Line ItemAmount
Professional Fundraising Fees$0

Fundraising Events

EventGross ReceiptsGross RevenueDirect ExpensesNet Income
Fundraiser$51,063$51,063-$51,063
Total Events$51,063$51,063-$51,063
Political and Lobbying Activity
Political campaign activity
No
Lobbying activity
No
Subject to proxy tax
No
Governance and Compliance

Governance Checklist

Compiled or reviewed by an accountant
No
Backup withholding compliance
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
Yes
Compensation from other sources disclosed
No
CEO compensation reviewed
Yes
Other officer compensation reviewed
No
Conflict-of-interest policy
No
Audited financial statements prepared
Yes
Key decisions subject to board approval
No
Management duties delegated
No

Governance Explanations

Organizational document changes Part VI line 4

“The board of directors voted to have the organization merge with museum alliance of rapid city inc in june of 2025.”

Governing body meeting documentation Part VI line 8A

“There is a finance committee that reviews monthly financial statements and oversees the investments accounts and sets investment objectives.”

Committee meeting documentation Part VI line 8B

“There is a finance committee that reviews monthly financial statements and oversees the investments accounts and sets investment objectives.”

Form 990 governing body review Part VI line 11

“There is a finance committee that reviews monthly financial statements and oversees the investments accounts and sets investment objectives. Form 990 is reviewed by the finance committee prior to the filing of the tax return. Form 990 is provided to the members online.”

CEO executive director top management comp Part VI line 15A

“The executive directors compensation is set by the board of directors and reviewed annually.”

Form 990 availability to public Part VI line 18

“The tax return for the entity is available online.”

Governing documents etc available to public Part VI line 19

“Governing documents available on request.”

Filing and Contact Details

Filer

Filer Name
Minnilusa Historical Association
EIN
46-6008615
In Care Of
% MARK SLOCUM
Phone
6053946099
Address
222 NEW YORK ST, RAPID CITY, SD 57701
Doing Business As
Black Hills Historical Society

Signing Officer

Name
Mark Slocum
Title
Executive Director
Phone
6053946099
Signed
2026-01-27
Discuss with paid preparer
Yes

Organization Details

Formed
1959
Legal Domicile
Sd
Voting Board Members
10
Independent Board Members
10
Employees
2

Preparer

Firm
A2z Business and Tax Service
Address
1241 E SAINT JOSEPH ST, RAPID CITY, SD 57701
Preparer
Richard J Putnam CPA
Phone
6057163985
Supplemental Narrative

Additional Explanations

Explanation of other changes in net assets or fund balances Part XI line 9

“Other changes in net assets reflects the net increase in unrealized gains/losses in the investment accounts for the period.”

General explanation attachment

“Form 990, part iii, line 1 organization mission advance the knowledge of pioneer life by managing and maintaining a pioneer museum as a public service, promoting an awareness of the contributions to this area made by our founders and early settlers, collecting, preserving, interepreting and exhibiting historical items and providing an authentic research center.”

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

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IRS990/Form990PartVIISectionAGrp/TitleTxt4DIRECTOR
IRS990/Form990PartVIISectionAGrp/TitleTxt5DIRECTOR
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IRS990/Form990PartVIISectionAGrp/TitleTxt7PRESIDENT
IRS990/Form990PartVIISectionAGrp/TitleTxt8VICE PRESIDENT
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IRS990ScheduleA/Form990ScheduleAPartVIGrp/ExplanationTxt0SUPPORT - 32.5% THE ORGANIZATION MAINTAINS A MUSEUM TO ADVANCE THE KNOWLEDGE OF PIONEER LIFE BY MANAGING AND MAINTAINING A PIONEER MUSEUM AS A PUBLIC SERVICE, PROMOTING AN AWARENESS OF THE CONTRIBUTIONS TO THE AREA MADE BY OUR FOUNDERS AND EARLY SETTLERS, COLLECTING, PRESERVING, INTEREPRETING AND EXHIBITING HISTORICAL ITEMS. THE ORGANIZATION ALSO HOLDS MONTHLY PRESENTATIONS ON LOCAL HISTORY IN MANY FORMATS AND VENUES JOURNEY MUSEUM PIONEER PROGRAMMING FOR SUMMER CAMPS,
IRS990ScheduleA/Form990ScheduleAPartVIGrp/FormAndLineReferenceDesc010 Facts and Circumstances Test Part II line 17a or 17b
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IRS990ScheduleN/DispositionOfAssetsDetail/AssetsDistriOrExpnssPaidDesc0ALL ASSETSBANK AND INVESTMENT ACCOUNTS AND FIXED ASSETS
IRS990ScheduleN/DispositionOfAssetsDetail/BusinessName/BusinessNameLine1Txt0MUSEUM ALLIANCE OF RAPID CITY INC
IRS990ScheduleN/DispositionOfAssetsDetail/DistributionDt02025-06-30
IRS990ScheduleN/DispositionOfAssetsDetail/EIN0363727899
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IRS990ScheduleN/DispositionOfAssetsDetail/IRCSectionTxt0501C3
IRS990ScheduleN/DispositionOfAssetsDetail/MethodOfFMVDeterminationTxt0BOOK VALUE AND COST LESS DEPRECIATION
IRS990ScheduleN/DispositionOfAssetsDetail/USAddress/AddressLine1Txt0222 NEW YORK ST
IRS990ScheduleN/DispositionOfAssetsDetail/USAddress/CityNm0RAPID CITY
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IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt0THE BOARD OF DIRECTORS VOTED TO HAVE THE ORGANIZATION MERGE WITH MUSEUM ALLIANCE OF RAPID CITY INC IN JUNE OF 2025.
IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt1THERE IS A FINANCE COMMITTEE THAT REVIEWS MONTHLY FINANCIAL STATEMENTS AND OVERSEES THE INVESTMENTS ACCOUNTS AND SETS INVESTMENT OBJECTIVES.
IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt2THERE IS A FINANCE COMMITTEE THAT REVIEWS MONTHLY FINANCIAL STATEMENTS AND OVERSEES THE INVESTMENTS ACCOUNTS AND SETS INVESTMENT OBJECTIVES.
IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt3THERE IS A FINANCE COMMITTEE THAT REVIEWS MONTHLY FINANCIAL STATEMENTS AND OVERSEES THE INVESTMENTS ACCOUNTS AND SETS INVESTMENT OBJECTIVES. FORM 990 IS REVIEWED BY THE FINANCE COMMITTEE PRIOR TO THE FILING OF THE TAX RETURN. FORM 990 IS PROVIDED TO THE MEMBERS ONLINE.
IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt4THE EXECUTIVE DIRECTORS COMPENSATION IS SET BY THE BOARD OF DIRECTORS AND REVIEWED ANNUALLY.
IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt5THE TAX RETURN FOR THE ENTITY IS AVAILABLE ONLINE.
IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt6GOVERNING DOCUMENTS AVAILABLE ON REQUEST.
IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt7OTHER CHANGES IN NET ASSETS REFLECTS THE NET INCREASE IN UNREALIZED GAINS/LOSSES IN THE INVESTMENT ACCOUNTS FOR THE PERIOD.
IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt8FORM 990, PART III, LINE 1 ORGANIZATION MISSION ADVANCE THE KNOWLEDGE OF PIONEER LIFE BY MANAGING AND MAINTAINING A PIONEER MUSEUM AS A PUBLIC SERVICE, PROMOTING AN AWARENESS OF THE CONTRIBUTIONS TO THIS AREA MADE BY OUR FOUNDERS AND EARLY SETTLERS, COLLECTING, PRESERVING, INTEREPRETING AND EXHIBITING HISTORICAL ITEMS AND PROVIDING AN AUTHENTIC RESEARCH CENTER.
IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc0Organizational document changes Part VI line 4
IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc1Governing body meeting documentation Part VI line 8a
IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc2Committee meeting documentation Part VI line 8b
IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc3Form 990 governing body review Part VI line 11
IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc4CEO executive director top management comp Part VI line 15a
IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc5Form 990 availability to public Part VI line 18
IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc6Governing documents etc available to public Part VI line 19
IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc7Explanation of other changes in net assets or fund balances Part XI line 9
IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc8General explanation attachment
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