Liabilities / Assets
33rd percentile
Tied with the lowest-debt nonprofits in its peer group.
EIN 36-3766411 • 501(c)3 • Helena, MT
Profile
Identify, protect, and preserve elements of lewis and clark county, mt history and prehistory. Properly acquire, retain, and preserve artifacts, stories, information, places, and images. Provide public education and support other historic groups in the area.
Precomputed percentiles relative to similar nonprofits. These scores are descriptive rather than judgmental.
Liabilities / Assets
33rd percentile
Tied with the lowest-debt nonprofits in its peer group.
Liabilities / Revenue
Score unavailable
Liabilities-to-revenue requires both liabilities and revenue on the latest valid filing.
Net Margin
100th percentile
Higher net margin than 100% of similar nonprofits.
Top Officer Pay
55th percentile
Higher top officer pay than 55% of similar nonprofits.
Asset Growth
21st percentile
Faster asset growth than 21% of similar nonprofits.
Revenue Growth
Score unavailable
A valid growth rate could not be computed from the available filing history.
Assets
Down$943,554
Down $108,856 (-10%) from 2023
Liabilities
Flat$0
Flat from 2023
Net Assets
Down$943,554
Down $108,856 (-10%) from 2023
Revenue
Down-$67,249
Down $333,265 (-125%) from 2023
Expenses
Up$50,891
Up $14,650 (+40%) from 2023
Net Income
Down-$118,140
Down $347,915 (-151%) from 2023
Most recent year
2024 • Form 990Detailed filing. Detailed filing data is available for this year.
| Balance Sheet | Operations | |||||
|---|---|---|---|---|---|---|
| Year | Assets | Liabilities | Net Assets | Revenue | Expenses | Net Income |
| 2024Detailed filing. Detailed filing data is available for this year. | $0.94 | $0.00 | $0.94 | $0.07 | $0.05 | $0.12 |
| 2023Detailed filing. Detailed filing data is available for this year. | $1.05 | $0.00 | $1.05 | $0.27 | $0.04 | $0.23 |
| 2022Detailed filing. Detailed filing data is available for this year. | $1.27 | $0.00 | $1.27 | $0.38 | $0.00 | $0.38 |
Identify, protect, and preserve elements of lewis and clark county, mt history and prehistory. Properly acquire, retain, and preserve artifacts, stories, information, places, and images. Provide public education and support other historic groups in the area.
| Line | Beginning | End | Change |
|---|---|---|---|
| Assets | |||
| Savings and Temporary Cash Investments | $549,492 | $847,686 | ▲ $298,194 |
| Land, Buildings, and Equipment, Net | $389,744 | $0 | ▼ $389,744 |
| Cash and Non-Interest-Bearing Accounts | $79,608 | $55,552 | ▼ $24,056 |
| Accounts Receivable | - | $0 | - |
| Other Notes and Loans Receivable, Net | - | $0 | - |
| Pledges and Grants Receivable | - | $0 | - |
| Receivable From Disqualified Prsn | - | $0 | - |
| Receivables From Officers Etc | - | $0 | - |
| Investments Other Securities | - | $0 | - |
| Investments Program Related | - | $0 | - |
| Investments in Publicly Traded Securities | - | $0 | - |
| Intangible Assets | - | $0 | - |
| Inventories for Sale or Use | - | $0 | - |
| Prepaid Expenses and Deferred Charges | - | $0 | - |
| Total Assets | $1,052,410 | $943,554 | ▼ $108,856 |
| Other Assets Total | $33,566 | $40,316 | ▲ $6,750 |
| Liabilities | |||
| Total Liabilities | $0 | $0 | → $0 |
| Net Assets / Fund Balance | |||
| Net Assets Without Donor Restrictions | $1,052,410 | $943,554 | ▼ $108,856 |
| Total Net Assets Fund Balance | $1,052,410 | $943,554 | ▼ $108,856 |
| Total Liabilities and Net Assets / Fund Balance | $1,052,410 | $943,554 | ▼ $108,856 |
| Name | Title |
|---|---|
| Raymond Read | President |
| Pam Attardo | Vice President |
| John Barrows | Director |
| Kathy Macefield | Director |
| Barbara Smith | Treasurer |
| Line Item | Amount |
|---|---|
| Other Expenses | $50,891 |
| Grants and Similar Amounts Paid | $0 |
| Professional Fundraising Fees | $0 |
| Salaries, Compensation, and Employee Benefits | $0 |
| Total Fundraising Expense | $0 |
| Line Item | Program | Management | Fundraising | Total |
|---|---|---|---|---|
| Occupancy | $30,000 | - | - | $30,000 |
| All Other Expenses | $2,067 | - | - | $2,067 |
| Other Expenses | $1,448 | - | - | $1,448 |
| Information Technology | $1,295 | - | - | $1,295 |
| Insurance | $1,215 | - | - | $1,215 |
| Office Expenses | $1,195 | - | - | $1,195 |
| Fees for Services Accounting | $425 | - | - | $425 |
| Total Functional Expenses | $50,891 | $0 | $0 | $50,891 |
| Line Item | Amount |
|---|---|
| Professional Fundraising Fees | $0 |
| Line Item | Beginning | End | Change |
|---|---|---|---|
| Receivables from Disqualified Persons | - | $0 | - |
| Receivables from Officers, Directors, Trustees, and Key Employees | - | $0 | - |
“No review was or will be conducted.”
“No documents available to the public.”
“Change in unrealized gain in investments = $9284”
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/AccountantCompileOrReviewInd | 0 | false |
| IRS990/AccountsReceivableGrp/EOYAmt | 0 | 0 |
| IRS990/ActivitiesConductedPrtshpInd | 0 | false |
| IRS990/ActivityOrMissionDesc | 0 | IDENTIFY, PROTECT, AND PRESERVE ELEMENTS OF LEWIS AND CLARK COUNTY, MT HISTORY AND PREHISTORY. PROPERLY ACQUIRE, RETAIN, AND PRESERVE ARTIFACTS, STORIES, INFORMATION, PLACES, AND IMAGES. PROVIDE PUBLIC EDUCATION AND SUPPORT OTHER HISTORIC GROUPS IN THE AREA. |
| IRS990/AdvertisingGrp/TotalAmt | 0 | 0 |
| IRS990/AllOtherContributionsAmt | 0 | 2111 |
| IRS990/AllOtherExpensesGrp/ProgramServicesAmt | 0 | 2067 |
| IRS990/AllOtherExpensesGrp/TotalAmt | 0 | 2067 |
| IRS990/BackupWthldComplianceInd | 0 | false |
| IRS990/BenefitsToMembersGrp/TotalAmt | 0 | 0 |
| IRS990/BooksInCareOfDetail/PersonNm | 0 | BARBARA SMITH |
| IRS990/BooksInCareOfDetail/PhoneNum | 0 | 4054570316 |
| IRS990/BooksInCareOfDetail/USAddress/AddressLine1Txt | 0 | 2225 ALPINE DR 1B |
| IRS990/BooksInCareOfDetail/USAddress/CityNm | 0 | HELENA |
| IRS990/BooksInCareOfDetail/USAddress/StateAbbreviationCd | 0 | MT |
| IRS990/BooksInCareOfDetail/USAddress/ZIPCd | 0 | 59601 |
| IRS990/BusinessRlnWith35CtrlEntInd | 0 | false |
| IRS990/BusinessRlnWithFamMemInd | 0 | false |
| IRS990/BusinessRlnWithOrgMemInd | 0 | false |
| IRS990/CashNonInterestBearingGrp/BOYAmt | 0 | 79608 |
| IRS990/CashNonInterestBearingGrp/EOYAmt | 0 | 55552 |
| IRS990/ChangeToOrgDocumentsInd | 0 | false |
| IRS990/CntrctRcvdGreaterThan100KCnt | 0 | 0 |
| IRS990/CollectionsOfArtInd | 0 | false |
| IRS990/CompCurrentOfcrDirectorsGrp/TotalAmt | 0 | 0 |
| IRS990/CompDisqualPersonsGrp/TotalAmt | 0 | 0 |
| IRS990/CompensationFromOtherSrcsInd | 0 | false |
| IRS990/CompensationProcessCEOInd | 0 | false |
| IRS990/CompensationProcessOtherInd | 0 | false |
| IRS990/ConferencesMeetingsGrp/TotalAmt | 0 | 0 |
| IRS990/ConflictOfInterestPolicyInd | 0 | false |
| IRS990/ConservationEasementsInd | 0 | false |
| IRS990/ConsolidatedAuditFinclStmtInd | 0 | false |
| IRS990/CreditCounselingInd | 0 | false |
| IRS990/CYBenefitsPaidToMembersAmt | 0 | 0 |
| IRS990/CYContributionsGrantsAmt | 0 | 5111 |
| IRS990/CYGrantsAndSimilarPaidAmt | 0 | 0 |
| IRS990/CYInvestmentIncomeAmt | 0 | -66820 |
| IRS990/CYOtherExpensesAmt | 0 | 50891 |
| IRS990/CYOtherRevenueAmt | 0 | -5540 |
| IRS990/CYProgramServiceRevenueAmt | 0 | 0 |
| IRS990/CYRevenuesLessExpensesAmt | 0 | -118140 |
| IRS990/CYSalariesCompEmpBnftPaidAmt | 0 | 0 |
| IRS990/CYTotalExpensesAmt | 0 | 50891 |
| IRS990/CYTotalFundraisingExpenseAmt | 0 | 0 |
| IRS990/CYTotalProfFndrsngExpnsAmt | 0 | 0 |
| IRS990/CYTotalRevenueAmt | 0 | -67249 |
| IRS990/DecisionsSubjectToApprovaInd | 0 | false |
| IRS990/DeductibleArtContributionInd | 0 | false |
| IRS990/DeductibleNonCashContriInd | 0 | false |
| IRS990/DelegationOfMgmtDutiesInd | 0 | false |
| IRS990/DepreciationDepletionGrp/TotalAmt | 0 | 0 |
| IRS990/Desc | 0 | IDENTIFY, PROTECT, AND PRESERVE ELEMENTS OF LEWIS AND CLARK COUNTY, MT HISTORY AND PREHISTORY. PROPERLY ACQUIRE, RETAIN, AND PRESERVE ARTIFACTS, STORIES, INFORMATION, PLACES, AND IMAGES. PROVIDE PUBLIC EDUCATION AND SUPPORT OTHER HISTORIC GROUPS IN THE AREA. |
| IRS990/DescribedInSection501c3Ind | 0 | true |
| IRS990/DisregardedEntityInd | 0 | false |
| IRS990/DocumentRetentionPolicyInd | 0 | false |
| IRS990/DonorAdvisedFundInd | 0 | false |
| IRS990/DonorRstrOrQuasiEndowmentsInd | 0 | false |
| IRS990/ElectionOfBoardMembersInd | 0 | false |
| IRS990/EmployeeCnt | 0 | 0 |
| IRS990/EngagedInExcessBenefitTransInd | 0 | false |
| IRS990/ExpenseAmt | 0 | 50891 |
| IRS990/FamilyOrBusinessRlnInd | 0 | false |
| IRS990/FederalGrantAuditRequiredInd | 0 | false |
| IRS990/FeesForServicesAccountingGrp/ProgramServicesAmt | 0 | 425 |
| IRS990/FeesForServicesAccountingGrp/TotalAmt | 0 | 425 |
| IRS990/FeesForServicesLegalGrp/TotalAmt | 0 | 0 |
| IRS990/FeesForServicesLobbyingGrp/TotalAmt | 0 | 0 |
| IRS990/FeesForServicesManagementGrp/TotalAmt | 0 | 0 |
| IRS990/FeesForServicesOtherGrp/TotalAmt | 0 | 0 |
| IRS990/FeesForServicesProfFundraising/TotalAmt | 0 | 0 |
| IRS990/FeesForSrvcInvstMgmntFeesGrp/TotalAmt | 0 | 0 |
| IRS990/ForeignActivitiesInd | 0 | false |
| IRS990/ForeignFinancialAccountInd | 0 | false |
| IRS990/ForeignGrantsGrp/TotalAmt | 0 | 0 |
| IRS990/ForeignOfficeInd | 0 | false |
| IRS990/Form1098CFiledInd | 0 | false |
| IRS990/Form8282FiledCnt | 0 | 0 |
| IRS990/Form8282PropertyDisposedOfInd | 0 | false |
| IRS990/Form8899Filedind | 0 | false |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 0 | 0.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 1 | 0.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 2 | 0.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 3 | 0.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 4 | 0.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 0 | 0.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 1 | 0.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 2 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 3 | 0.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 4 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 0 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 1 | X |
| IRS990/Form990PartVIISectionAGrp/OfficerInd | 0 | X |
| IRS990/Form990PartVIISectionAGrp/OfficerInd | 1 | X |
| IRS990/Form990PartVIISectionAGrp/OfficerInd | 2 | X |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 0 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 1 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 2 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 3 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 4 | 0 |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 0 | KATHY MACEFIELD |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 1 | JOHN BARROWS |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 2 | RAYMOND READ |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 3 | PAM ATTARDO |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 4 | BARBARA SMITH |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 0 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 1 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 2 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 3 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 4 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 0 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 1 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 2 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 3 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 4 | 0 |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 0 | Director |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 1 | Director |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 2 | President |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 3 | Vice President |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 4 | Treasurer |
| IRS990/Form990ProvidedToGvrnBodyInd | 0 | false |
| IRS990/FormationYr | 0 | 1988 |
| IRS990/FormerOfcrEmployeesListedInd | 0 | false |
| IRS990/FSAuditedInd | 0 | false |
| IRS990/FundraisingActivitiesInd | 0 | false |
| IRS990/GainOrLossGrp/OtherAmt | 0 | -104159 |
| IRS990/GamingActivitiesInd | 0 | false |
| IRS990/GoverningBodyVotingMembersCnt | 0 | 5 |
| IRS990/GovernmentGrantsAmt | 0 | 2000 |
| IRS990/GrantsToDomesticIndividualsGrp/TotalAmt | 0 | 0 |
| IRS990/GrantsToDomesticOrgsGrp/TotalAmt | 0 | 0 |
| IRS990/GrantsToIndividualsInd | 0 | false |
| IRS990/GrantsToOrganizationsInd | 0 | false |
| IRS990/GrantToRelatedPersonInd | 0 | false |
| IRS990/GrossAmountSalesAssetsGrp/OtherAmt | 0 | 279175 |
| IRS990/GrossReceiptsAmt | 0 | 337694 |
| IRS990/GrossRentsGrp/RealAmt | 0 | 16069 |
| IRS990/GroupReturnForAffiliatesInd | 0 | false |
| IRS990/IncludeFIN48FootnoteInd | 0 | false |
| IRS990/IncmFromInvestBondProceedsGrp/TotalRevenueColumnAmt | 0 | 0 |
| IRS990/IndependentAuditFinclStmtInd | 0 | false |
| IRS990/IndependentVotingMemberCnt | 0 | 0 |
| IRS990/IndivRcvdGreaterThan100KCnt | 0 | 0 |
| IRS990/IndoorTanningServicesInd | 0 | false |
| IRS990/InfoInScheduleOPartVIInd | 0 | X |
| IRS990/InfoInScheduleOPartXIInd | 0 | X |
| IRS990/InformationTechnologyGrp/ProgramServicesAmt | 0 | 1295 |
| IRS990/InformationTechnologyGrp/TotalAmt | 0 | 1295 |
| IRS990/InsuranceGrp/ProgramServicesAmt | 0 | 1215 |
| IRS990/InsuranceGrp/TotalAmt | 0 | 1215 |
| IRS990/IntangibleAssetsGrp/EOYAmt | 0 | 0 |
| IRS990/InterestGrp/TotalAmt | 0 | 0 |
| IRS990/InventoriesForSaleOrUseGrp/EOYAmt | 0 | 0 |
| IRS990/InvestmentIncomeGrp/RelatedOrExemptFuncIncomeAmt | 0 | 37339 |
| IRS990/InvestmentIncomeGrp/TotalRevenueColumnAmt | 0 | 37339 |
| IRS990/InvestmentInJointVentureInd | 0 | false |
| IRS990/InvestmentsOtherSecuritiesGrp/EOYAmt | 0 | 0 |
| IRS990/InvestmentsProgramRelatedGrp/EOYAmt | 0 | 0 |
| IRS990/InvestmentsPubTradedSecGrp/EOYAmt | 0 | 0 |
| IRS990/IRPDocumentCnt | 0 | 0 |
| IRS990/IRPDocumentW2GCnt | 0 | 0 |
| IRS990/LandBldgEquipBasisNetGrp/BOYAmt | 0 | 389744 |
| IRS990/LandBldgEquipBasisNetGrp/EOYAmt | 0 | 0 |
| IRS990/LegalDomicileStateCd | 0 | MT |
| IRS990/LessCostOthBasisSalesExpnssGrp/OtherAmt | 0 | 383334 |
| IRS990/LessRentalExpensesGrp/RealAmt | 0 | 21609 |
| IRS990/LoanOutstandingInd | 0 | false |
| IRS990/LobbyingActivitiesInd | 0 | false |
| IRS990/LocalChaptersInd | 0 | false |
| IRS990/MaterialDiversionOrMisuseInd | 0 | false |
| IRS990/MembershipDuesAmt | 0 | 1000 |
| IRS990/MembersOrStockholdersInd | 0 | false |
| IRS990/MethodOfAccountingCashInd | 0 | X |
| IRS990/MinutesOfCommitteesInd | 0 | false |
| IRS990/MinutesOfGoverningBodyInd | 0 | true |
| IRS990/MissionDesc | 0 | IDENTIFY, PROTECT, AND PRESERVE ELEMENTS OF LEWIS AND CLARK COUNTY, MT HISTORY AND PREHISTORY. PROPERLY ACQUIRE, RETAIN, AND PRESERVE ARTIFACTS, STORIES, INFORMATION, PLACES, AND IMAGES. PROVIDE PUBLIC EDUCATION AND SUPPORT OTHER HISTORIC GROUPS IN THE AREA. |
| IRS990/MoreThan5000KToIndividualsInd | 0 | false |
| IRS990/MoreThan5000KToOrgInd | 0 | false |
| IRS990/NetAssetsOrFundBalancesBOYAmt | 0 | 1052410 |
| IRS990/NetAssetsOrFundBalancesEOYAmt | 0 | 943554 |
| IRS990/NetGainOrLossInvestmentsGrp/ExclusionAmt | 0 | -104159 |
| IRS990/NetGainOrLossInvestmentsGrp/TotalRevenueColumnAmt | 0 | -104159 |
| IRS990/NetIncmFromFundraisingEvtGrp/TotalRevenueColumnAmt | 0 | 0 |
| IRS990/NetIncomeFromGamingGrp/TotalRevenueColumnAmt | 0 | 0 |
| IRS990/NetIncomeOrLossGrp/TotalRevenueColumnAmt | 0 | 0 |
| IRS990/NetRentalIncomeOrLossGrp/TotalRevenueColumnAmt | 0 | -5540 |
| IRS990/NetRentalIncomeOrLossGrp/UnrelatedBusinessRevenueAmt | 0 | -5540 |
| IRS990/NoDonorRestrictionNetAssetsGrp/BOYAmt | 0 | 1052410 |
| IRS990/NoDonorRestrictionNetAssetsGrp/EOYAmt | 0 | 943554 |
| IRS990/NoListedPersonsCompensatedInd | 0 | X |
| IRS990/NondeductibleContributionsInd | 0 | false |
| IRS990/OccupancyGrp/ProgramServicesAmt | 0 | 30000 |
| IRS990/OccupancyGrp/TotalAmt | 0 | 30000 |
| IRS990/OfficeExpensesGrp/ProgramServicesAmt | 0 | 1195 |
| IRS990/OfficeExpensesGrp/TotalAmt | 0 | 1195 |
| IRS990/OfficerMailingAddressInd | 0 | false |
| IRS990/OperateHospitalInd | 0 | false |
| IRS990/Organization501c3Ind | 0 | X |
| IRS990/OrganizationFollowsFASB117Ind | 0 | X |
| IRS990/OtherAssetsTotalGrp/BOYAmt | 0 | 33566 |
| IRS990/OtherAssetsTotalGrp/EOYAmt | 0 | 40316 |
| IRS990/OtherChangesInNetAssetsAmt | 0 | 9284 |
| IRS990/OtherEmployeeBenefitsGrp/TotalAmt | 0 | 0 |
| IRS990/OtherExpensesGrp/Desc | 0 | MUSEUM SUPPLIES |
| IRS990/OtherExpensesGrp/Desc | 1 | LEASEHOLD IMPR |
| IRS990/OtherExpensesGrp/Desc | 2 | MOVING |
| IRS990/OtherExpensesGrp/Desc | 3 | TELEPHONE |
| IRS990/OtherExpensesGrp/ProgramServicesAmt | 0 | 5376 |
| IRS990/OtherExpensesGrp/ProgramServicesAmt | 1 | 4000 |
| IRS990/OtherExpensesGrp/ProgramServicesAmt | 2 | 3870 |
| IRS990/OtherExpensesGrp/ProgramServicesAmt | 3 | 1448 |
| IRS990/OtherExpensesGrp/TotalAmt | 0 | 5376 |
| IRS990/OtherExpensesGrp/TotalAmt | 1 | 4000 |
| IRS990/OtherExpensesGrp/TotalAmt | 2 | 3870 |
| IRS990/OtherExpensesGrp/TotalAmt | 3 | 1448 |
| IRS990/OtherRevenueTotalAmt | 0 | 0 |
| IRS990/OtherSalariesAndWagesGrp/TotalAmt | 0 | 0 |
| IRS990/OthNotesLoansReceivableNetGrp/EOYAmt | 0 | 0 |
| IRS990/PartialLiquidationInd | 0 | false |
| IRS990/PaymentsToAffiliatesGrp/TotalAmt | 0 | 0 |
| IRS990/PayPremiumsPrsnlBnftCntrctInd | 0 | false |
| IRS990/PayrollTaxesGrp/TotalAmt | 0 | 0 |
| IRS990/PensionPlanContributionsGrp/TotalAmt | 0 | 0 |
| IRS990/PledgesAndGrantsReceivableGrp/EOYAmt | 0 | 0 |
| IRS990/PoliticalCampaignActyInd | 0 | false |
| IRS990/PrepaidExpensesDefrdChargesGrp/EOYAmt | 0 | 0 |
| IRS990/PrincipalOfficerNm | 0 | RAYMOND READ |
| IRS990/ProfessionalFundraisingInd | 0 | false |
| IRS990/ProhibitedTaxShelterTransInd | 0 | false |
| IRS990/PYContributionsGrantsAmt | 0 | 2256 |
| IRS990/PYExcessBenefitTransInd | 0 | false |
| IRS990/PYInvestmentIncomeAmt | 0 | 270406 |
| IRS990/PymtTravelEntrtnmntPubOfclGrp/TotalAmt | 0 | 0 |
| IRS990/PYOtherExpensesAmt | 0 | 36241 |
| IRS990/PYOtherRevenueAmt | 0 | -6646 |
| IRS990/PYRevenuesLessExpensesAmt | 0 | 229775 |
| IRS990/PYTotalExpensesAmt | 0 | 36241 |
| IRS990/PYTotalRevenueAmt | 0 | 266016 |
| IRS990/QuidProQuoContributionsInd | 0 | false |
| IRS990/RcvblFromDisqualifiedPrsnGrp/EOYAmt | 0 | 0 |
| IRS990/RcvFndsToPayPrsnlBnftCntrctInd | 0 | false |
| IRS990/ReceivablesFromOfficersEtcGrp/EOYAmt | 0 | 0 |
| IRS990/ReconcilationRevenueExpnssAmt | 0 | -118140 |
| IRS990/RelatedEntityInd | 0 | false |
| IRS990/RelatedOrganizationCtrlEntInd | 0 | false |
| IRS990/RentalIncomeOrLossGrp/RealAmt | 0 | -5540 |
| IRS990/ReportInvestmentsOtherSecInd | 0 | false |
| IRS990/ReportLandBuildingEquipmentInd | 0 | false |
| IRS990/ReportOtherAssetsInd | 0 | false |
| IRS990/ReportOtherLiabilitiesInd | 0 | false |
| IRS990/ReportProgramRelatedInvstInd | 0 | false |
| IRS990/RoyaltiesGrp/TotalAmt | 0 | 0 |
| IRS990/RoyaltiesRevenueGrp/TotalRevenueColumnAmt | 0 | 0 |
| IRS990/SavingsAndTempCashInvstGrp/BOYAmt | 0 | 549492 |
| IRS990/SavingsAndTempCashInvstGrp/EOYAmt | 0 | 847686 |
| IRS990ScheduleA/GiftsGrantsContriRcvd170Grp/CurrentTaxYearAmt | 0 | 5111 |
| IRS990ScheduleA/GiftsGrantsContriRcvd170Grp/CurrentTaxYearMinus1YearAmt | 0 | 2256 |
| IRS990ScheduleA/GiftsGrantsContriRcvd170Grp/CurrentTaxYearMinus2YearsAmt | 0 | 3667 |
| IRS990ScheduleA/GiftsGrantsContriRcvd170Grp/CurrentTaxYearMinus3YearsAmt | 0 | 4913 |
| IRS990ScheduleA/GiftsGrantsContriRcvd170Grp/CurrentTaxYearMinus4YearsAmt | 0 | 2857 |
| IRS990ScheduleA/GiftsGrantsContriRcvd170Grp/TotalAmt | 0 | 18804 |
| IRS990ScheduleA/GovtFurnSrvcFcltsVl170Grp/TotalAmt | 0 | 0 |
| IRS990ScheduleA/GrossInvestmentIncome170Grp/CurrentTaxYearAmt | 0 | 37339 |
| IRS990ScheduleA/GrossInvestmentIncome170Grp/CurrentTaxYearMinus1YearAmt | 0 | 7237 |
| IRS990ScheduleA/GrossInvestmentIncome170Grp/TotalAmt | 0 | 44576 |
| IRS990ScheduleA/GrossReceiptsRltdActivitiesAmt | 0 | 916444 |
| IRS990ScheduleA/OtherIncome170Grp/TotalAmt | 0 | 0 |
| IRS990ScheduleA/PublicOrganization170Ind | 0 | X |
| IRS990ScheduleA/PublicSupportCY170Pct | 0 | 0.36730 |
| IRS990ScheduleA/PublicSupportPY170Pct | 0 | 0.96480 |
| IRS990ScheduleA/PublicSupportTotal170Amt | 0 | 18804 |
| IRS990ScheduleA/SubstantialContributorsTotAmt | 0 | 0 |
| IRS990ScheduleA/TaxRevLeviedOrgnztnlBnft170Grp/TotalAmt | 0 | 0 |
| IRS990ScheduleA/ThirtyThrPctSuprtTestsCY170Ind | 0 | X |
| IRS990ScheduleA/TotalCalendarYear170Grp/CurrentTaxYearAmt | 0 | 5111 |
| IRS990ScheduleA/TotalCalendarYear170Grp/CurrentTaxYearMinus1YearAmt | 0 | 2256 |
| IRS990ScheduleA/TotalCalendarYear170Grp/CurrentTaxYearMinus2YearsAmt | 0 | 3667 |
| IRS990ScheduleA/TotalCalendarYear170Grp/CurrentTaxYearMinus3YearsAmt | 0 | 4913 |
| IRS990ScheduleA/TotalCalendarYear170Grp/CurrentTaxYearMinus4YearsAmt | 0 | 2857 |
| IRS990ScheduleA/TotalCalendarYear170Grp/TotalAmt | 0 | 18804 |
| IRS990ScheduleA/TotalSupportAmt | 0 | 51194 |
| IRS990ScheduleA/UnrelatedBusinessNetIncm170Grp/CurrentTaxYearAmt | 0 | -5540 |
| IRS990ScheduleA/UnrelatedBusinessNetIncm170Grp/CurrentTaxYearMinus1YearAmt | 0 | -6646 |
| IRS990ScheduleA/UnrelatedBusinessNetIncm170Grp/TotalAmt | 0 | -12186 |
| IRS990/ScheduleBRequiredInd | 0 | false |
| IRS990/ScheduleJRequiredInd | 0 | false |
| IRS990/ScheduleORequiredInd | 0 | true |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 0 | No review was or will be conducted. |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 1 | No documents available to the public. |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 2 | CHANGE IN UNREALIZED GAIN IN INVESTMENTS = $9284 |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 0 | Form 990, Part VI, Section B, Line 11b |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 1 | Form 990, Part VI, Section C, Line 19 |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 2 | Form 990, Part XI, Line 9 |
| IRS990/SchoolOperatingInd | 0 | false |
| IRS990/SignificantChangeInd | 0 | false |
| IRS990/SignificantNewProgramSrvcInd | 0 | false |
| IRS990/SubjectToExcsTaxNetInvstIncInd | 0 | false |
| IRS990/SubjectToProxyTaxInd | 0 | false |
| IRS990/SubjToTaxRmnrtnExPrchtPymtInd | 0 | false |
| IRS990/TaxablePartyNotificationInd | 0 | false |
| IRS990/TaxExemptBondsInd | 0 | false |
| IRS990/TerminateOperationsInd | 0 | false |
| IRS990/TotalAssetsBOYAmt | 0 | 1052410 |
| IRS990/TotalAssetsEOYAmt | 0 | 943554 |
| IRS990/TotalAssetsGrp/BOYAmt | 0 | 1052410 |
| IRS990/TotalAssetsGrp/EOYAmt | 0 | 943554 |
| IRS990/TotalCompGreaterThan150KInd | 0 | false |
| IRS990/TotalContributionsAmt | 0 | 5111 |
| IRS990/TotalEmployeeCnt | 0 | 0 |
| IRS990/TotalFunctionalExpensesGrp/FundraisingAmt | 0 | 0 |
| IRS990/TotalFunctionalExpensesGrp/ManagementAndGeneralAmt | 0 | 0 |
| IRS990/TotalFunctionalExpensesGrp/ProgramServicesAmt | 0 | 50891 |
| IRS990/TotalFunctionalExpensesGrp/TotalAmt | 0 | 50891 |
| IRS990/TotalGrossUBIAmt | 0 | -5540 |
| IRS990/TotalLiabilitiesEOYAmt | 0 | 0 |
| IRS990/TotalLiabilitiesGrp/BOYAmt | 0 | 0 |
| IRS990/TotalLiabilitiesGrp/EOYAmt | 0 | 0 |
| IRS990/TotalNetAssetsFundBalanceGrp/BOYAmt | 0 | 1052410 |
| IRS990/TotalNetAssetsFundBalanceGrp/EOYAmt | 0 | 943554 |
| IRS990/TotalProgramServiceExpensesAmt | 0 | 50891 |
| IRS990/TotalProgramServiceRevenueAmt | 0 | 0 |
| IRS990/TotalRevenueGrp/ExclusionAmt | 0 | -104159 |
| IRS990/TotalRevenueGrp/RelatedOrExemptFuncIncomeAmt | 0 | 37339 |
| IRS990/TotalRevenueGrp/TotalRevenueColumnAmt | 0 | -67249 |
| IRS990/TotalRevenueGrp/UnrelatedBusinessRevenueAmt | 0 | -5540 |
| IRS990/TotLiabNetAssetsFundBalanceGrp/BOYAmt | 0 | 1052410 |
| IRS990/TotLiabNetAssetsFundBalanceGrp/EOYAmt | 0 | 943554 |
| IRS990/TravelGrp/TotalAmt | 0 | 0 |
| IRS990/TrnsfrExmptNonChrtblRltdOrgInd | 0 | false |
| IRS990/TypeOfOrganizationCorpInd | 0 | X |
| IRS990/UnrelatedBusIncmOverLimitInd | 0 | false |
| IRS990/USAddress/AddressLine1Txt | 0 | PO BOX 1864 |
| IRS990/USAddress/CityNm | 0 | HELENA |
| IRS990/USAddress/StateAbbreviationCd | 0 | MT |
| IRS990/USAddress/ZIPCd | 0 | 59624 |
| IRS990/VotingMembersGoverningBodyCnt | 0 | 5 |
| IRS990/VotingMembersIndependentCnt | 0 | 0 |
| IRS990/WebsiteAddressTxt | 0 | N/A |
| IRS990/WhistleblowerPolicyInd | 0 | false |
| ReturnHeader/BuildTS | 0 | 2025-03-06 01:10:19Z |
| ReturnHeader/BusinessOfficerGrp/DiscussWithPaidPreparerInd | 0 | true |
| ReturnHeader/BusinessOfficerGrp/PersonNm | 0 | RAY READ |
| ReturnHeader/BusinessOfficerGrp/PersonTitleTxt | 0 | President |
| ReturnHeader/BusinessOfficerGrp/SignatureDt | 0 | 2025-05-13 |
| ReturnHeader/Filer/BusinessName/BusinessNameLine1Txt | 0 | LEWIS AND CLARK CO HISTORICAL SOCIETY |
| ReturnHeader/Filer/BusinessNameControlTxt | 0 | LEWI |
| ReturnHeader/Filer/EIN | 0 | 363766411 |
| ReturnHeader/Filer/PhoneNum | 0 | 4064570316 |
| ReturnHeader/Filer/USAddress/AddressLine1Txt | 0 | PO BOX 1864 |
| ReturnHeader/Filer/USAddress/CityNm | 0 | HELENA |
| ReturnHeader/Filer/USAddress/StateAbbreviationCd | 0 | MT |
| ReturnHeader/Filer/USAddress/ZIPCd | 0 | 59624 |
| ReturnHeader/IRSResponsiblePrtyInfoCurrInd | 0 | true |
| ReturnHeader/PreparerFirmGrp/PreparerFirmEIN | 0 | 371546135 |
| ReturnHeader/PreparerFirmGrp/PreparerFirmName/BusinessNameLine1Txt | 0 | ATWOOD ACCOUNTING SERVICES LLC |
| ReturnHeader/PreparerFirmGrp/PreparerUSAddress/AddressLine1Txt | 0 | 110 E LYNDALE AVE |
| ReturnHeader/PreparerFirmGrp/PreparerUSAddress/CityNm | 0 | HELENA |
| ReturnHeader/PreparerFirmGrp/PreparerUSAddress/StateAbbreviationCd | 0 | MT |
| ReturnHeader/PreparerFirmGrp/PreparerUSAddress/ZIPCd | 0 | 59601 |
| ReturnHeader/PreparerPersonGrp/PhoneNum | 0 | 4064421947 |
| ReturnHeader/PreparerPersonGrp/PreparerPersonNm | 0 | Terry Atwood |
| ReturnHeader/ReturnTs | 0 | 2025-05-13T11:30:59-07:00 |
| ReturnHeader/ReturnTypeCd | 0 | 990 |
| ReturnHeader/TaxPeriodBeginDt | 0 | 2024-01-01 |
| ReturnHeader/TaxPeriodEndDt | 0 | 2024-12-31 |
| ReturnHeader/TaxYr | 0 | 2024 |
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