Liabilities / Assets
35th percentile
Higher debt load relative to assets than 35% of similar nonprofits.
EIN 86-0473992 • 501(c)3 • Bullhead City, AZ
Profile
The mission of the colorado river historical society shall be to operate a musuem to promote interest and knowledge concerning the history of the lower colorado river area, most specifically the tristate area.
Precomputed percentiles relative to similar nonprofits. These scores are descriptive rather than judgmental.
Liabilities / Assets
35th percentile
Higher debt load relative to assets than 35% of similar nonprofits.
Liabilities / Revenue
43rd percentile
Higher debt load relative to revenue than 43% of similar nonprofits.
Net Margin
11th percentile
Higher net margin than 11% of similar nonprofits.
Top Officer Pay
55th percentile
Higher top officer pay than 55% of similar nonprofits.
Top officer pay equals 0.0% of source-year revenue.
Asset Growth
37th percentile
Faster asset growth than 37% of similar nonprofits.
Revenue Growth
3rd percentile
Faster revenue growth than 3% of similar nonprofits.
Assets
Down$717,628
Down $12,131 (-1.7%) from 2024
Liabilities
Up$249
Up $249 from 2024
Net Assets
Down$717,379
Down $12,380 (-1.7%) from 2024
Revenue
Down$40,189
Down $124,370 (-76%) from 2024
Expenses
Up$52,569
Up $4,131 (+8.5%) from 2024
Net Income
Down-$12,380
Down $128,501 (-111%) from 2024
Most recent year
2025 • Form 990Facts available. Structured filing facts are available, but richer extracted sections are limited.
The mission of the colorado river historical society shall be to operate a musuem to promote interest and knowledge concerning the history of the lower colorado river area, most specifically the tristate area.
HAS A MUSUEM
| Line | Beginning | End | Change |
|---|---|---|---|
| Assets | |||
| Land, Buildings, and Equipment, Net | $613,638 | $596,469 | ▼ $17,169 |
| Pd in Cap Srpls Land Bldg Eqp Fund | $613,638 | $596,469 | ▼ $17,169 |
| Rtn Earn Endowment Incm Other Fnds | $116,121 | $120,910 | ▲ $4,789 |
| Cash and Non-Interest-Bearing Accounts | $51,132 | $55,155 | ▲ $4,023 |
| Intangible Assets | $54,549 | $55,094 | ▲ $545 |
| Inventories for Sale or Use | $5,400 | $5,455 | ▲ $55 |
| Prepaid Expenses and Deferred Charges | $5,040 | $5,455 | ▲ $415 |
| Total Assets | $729,759 | $717,628 | ▼ $12,131 |
| Liabilities | |||
| Accounts Payable and Accrued Expenses | - | $249 | - |
| Total Liabilities | $0 | $249 | ▲ $249 |
| Net Assets / Fund Balance | |||
| Total Net Assets Fund Balance | $729,759 | $717,379 | ▼ $12,380 |
| Total Liabilities and Net Assets / Fund Balance | $729,759 | $717,628 | ▼ $12,131 |
| Name | Title |
|---|---|
| Karole Finkelstein | President |
| Barbara Brandt | Vice President |
| Carolyn Adams | Director |
| Denise Vallon | Director |
| Jim Lucas | Director |
| Mary Wall | Director |
| Ray Wesch | Director |
| Ellen Brown | Secretary |
| Carla Lucas | Treasurer |
| Contractor | Services | Location | Compensation |
|---|---|---|---|
| Pueble Construction | - | 2007 HWY 95, Bullhead City, AZ 86442 | - |
| Line Item | Amount |
|---|---|
| Other Expenses | $52,569 |
| 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 |
|---|---|---|---|---|
| Fees for Services Other | - | - | - | $27,334 |
| Depreciation Depletion | - | - | - | $17,169 |
| Office Expenses | - | - | - | $3,314 |
| Insurance | - | - | - | $2,547 |
| Advertising | - | - | - | $2,005 |
| Fees for Services Legal | - | - | - | $200 |
| Total Functional Expenses | $0 | $0 | $0 | $52,569 |
| Line Item | Amount |
|---|---|
| Professional Fundraising Fees | $0 |
“Inventories are estimated as they have been correcting that over the past few years”
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/AccountsPayableAccrExpnssGrp/EOYAmt | 0 | 249 |
| IRS990/ActivitiesConductedPrtshpInd | 0 | false |
| IRS990/ActivityOrMissionDesc | 0 | HAS A MUSUEM |
| IRS990/AdvertisingGrp/TotalAmt | 0 | 2005 |
| IRS990/AllOtherContributionsAmt | 0 | 13483 |
| IRS990/BackupWthldComplianceInd | 0 | true |
| IRS990/BooksInCareOfDetail/PersonNm | 0 | CARLA LUCAS |
| IRS990/BooksInCareOfDetail/PhoneNum | 0 | 9284043367 |
| IRS990/BooksInCareOfDetail/USAddress/AddressLine1Txt | 0 | 1239 HWY 95 |
| IRS990/BooksInCareOfDetail/USAddress/CityNm | 0 | Bullhead City |
| IRS990/BooksInCareOfDetail/USAddress/StateAbbreviationCd | 0 | AZ |
| IRS990/BooksInCareOfDetail/USAddress/ZIPCd | 0 | 866430429 |
| IRS990/BusinessRlnWith35CtrlEntInd | 0 | false |
| IRS990/BusinessRlnWithFamMemInd | 0 | false |
| IRS990/BusinessRlnWithOrgMemInd | 0 | false |
| IRS990/CashNonInterestBearingGrp/BOYAmt | 0 | 51132 |
| IRS990/CashNonInterestBearingGrp/EOYAmt | 0 | 55155 |
| IRS990/ChangeToOrgDocumentsInd | 0 | false |
| IRS990/CollectionsOfArtInd | 0 | false |
| IRS990/CompensationFromOtherSrcsInd | 0 | false |
| IRS990/CompensationProcessCEOInd | 0 | false |
| IRS990/CompensationProcessOtherInd | 0 | false |
| IRS990/ConflictOfInterestPolicyInd | 0 | false |
| IRS990/ConservationEasementsInd | 0 | false |
| IRS990/ConsolidatedAuditFinclStmtInd | 0 | false |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/AddressLine1Txt | 0 | 2007 HWY 95 |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/CityNm | 0 | Bullhead City |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/StateAbbreviationCd | 0 | AZ |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/ZIPCd | 0 | 86442 |
| IRS990/ContractorCompensationGrp/ContractorName/BusinessName/BusinessNameLine1Txt | 0 | PUEBLE CONSTRUCTION |
| IRS990/CostOfGoodsSoldAmt | 0 | 5228 |
| IRS990/CreditCounselingInd | 0 | false |
| IRS990/CYBenefitsPaidToMembersAmt | 0 | 0 |
| IRS990/CYContributionsGrantsAmt | 0 | 35870 |
| IRS990/CYGrantsAndSimilarPaidAmt | 0 | 0 |
| IRS990/CYInvestmentIncomeAmt | 0 | 91 |
| IRS990/CYOtherExpensesAmt | 0 | 52569 |
| IRS990/CYOtherRevenueAmt | 0 | 4228 |
| IRS990/CYProgramServiceRevenueAmt | 0 | 0 |
| IRS990/CYRevenuesLessExpensesAmt | 0 | -12380 |
| IRS990/CYSalariesCompEmpBnftPaidAmt | 0 | 0 |
| IRS990/CYTotalExpensesAmt | 0 | 52569 |
| IRS990/CYTotalFundraisingExpenseAmt | 0 | 0 |
| IRS990/CYTotalProfFndrsngExpnsAmt | 0 | 0 |
| IRS990/CYTotalRevenueAmt | 0 | 40189 |
| IRS990/DAFExcessBusinessHoldingsInd | 0 | false |
| IRS990/DecisionsSubjectToApprovaInd | 0 | false |
| IRS990/DeductibleArtContributionInd | 0 | false |
| IRS990/DeductibleNonCashContriInd | 0 | false |
| IRS990/DelegationOfMgmtDutiesInd | 0 | false |
| IRS990/DepreciationDepletionGrp/TotalAmt | 0 | 17169 |
| IRS990/Desc | 0 | WE HAVE A GIFT SHOP IN THE MUSUEM |
| IRS990/DescribedInSection501c3Ind | 0 | true |
| IRS990/DisregardedEntityInd | 0 | false |
| IRS990/DistributionToDonorInd | 0 | false |
| IRS990/DocumentRetentionPolicyInd | 0 | true |
| IRS990/DonorAdvisedFundInd | 0 | false |
| IRS990/DonorRstrOrQuasiEndowmentsInd | 0 | false |
| IRS990/ElectionOfBoardMembersInd | 0 | false |
| IRS990/EmployeeCnt | 0 | 0 |
| IRS990/EngagedInExcessBenefitTransInd | 0 | false |
| IRS990/ExpenseAmt | 0 | 5138 |
| IRS990/FamilyOrBusinessRlnInd | 0 | false |
| IRS990/FederalGrantAuditRequiredInd | 0 | false |
| IRS990/FeesForServicesLegalGrp/TotalAmt | 0 | 200 |
| IRS990/FeesForServicesOtherGrp/TotalAmt | 0 | 27334 |
| IRS990/ForeignActivitiesInd | 0 | false |
| IRS990/ForeignFinancialAccountInd | 0 | false |
| IRS990/ForeignOfficeInd | 0 | false |
| IRS990/Form1098CFiledInd | 0 | false |
| IRS990/Form8282PropertyDisposedOfInd | 0 | false |
| IRS990/Form8899Filedind | 0 | false |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 0 | 5.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 1 | 25.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 2 | 4.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 3 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 4 | 11.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 5 | 6.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 6 | 4.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 7 | 6.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 8 | 5.00 |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 0 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 1 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 2 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 3 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 4 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 5 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 6 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 7 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 8 | 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/OtherCompensationAmt | 5 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 6 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 7 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 8 | 0 |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 0 | KAROLE FINKELSTEIN |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 1 | CARLA LUCAS |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 2 | DENISE VALLON |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 3 | ELLEN BROWN |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 4 | JIM LUCAS |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 5 | BARBARA BRANDT |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 6 | CAROLYN ADAMS |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 7 | MARY WALL |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 8 | RAY WESCH |
| 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/ReportableCompFromOrgAmt | 5 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 6 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 7 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 8 | 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/ReportableCompFromRltdOrgAmt | 5 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 6 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 7 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 8 | 0 |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 0 | PRESIDENT |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 1 | TREASURER |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 2 | DIRECTOR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 3 | SECRETARY |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 4 | DIRECTOR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 5 | VICE PRESIDENT |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 6 | DIRECTOR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 7 | DIRECTOR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 8 | DIRECTOR |
| IRS990/Form990ProvidedToGvrnBodyInd | 0 | false |
| IRS990/FormationYr | 0 | 1983 |
| IRS990/FormerOfcrEmployeesListedInd | 0 | false |
| IRS990/FSAuditedInd | 0 | false |
| IRS990/FundraisingActivitiesInd | 0 | false |
| IRS990/FundraisingAmt | 0 | 12415 |
| IRS990/GamingActivitiesInd | 0 | false |
| IRS990/GoverningBodyVotingMembersCnt | 0 | 0 |
| IRS990/GrantsToIndividualsInd | 0 | false |
| IRS990/GrantsToOrganizationsInd | 0 | false |
| IRS990/GrantToRelatedPersonInd | 0 | false |
| IRS990/GrossReceiptsAmt | 0 | 45417 |
| IRS990/GrossSalesOfInventoryAmt | 0 | 9456 |
| IRS990/GroupReturnForAffiliatesInd | 0 | false |
| IRS990/IncludeFIN48FootnoteInd | 0 | false |
| IRS990/IndependentAuditFinclStmtInd | 0 | false |
| IRS990/IndependentVotingMemberCnt | 0 | 9 |
| IRS990/IndoorTanningServicesInd | 0 | false |
| IRS990/InfoInScheduleOPartXInd | 0 | X |
| IRS990/InsuranceGrp/TotalAmt | 0 | 2547 |
| IRS990/IntangibleAssetsGrp/BOYAmt | 0 | 54549 |
| IRS990/IntangibleAssetsGrp/EOYAmt | 0 | 55094 |
| IRS990/InventoriesForSaleOrUseGrp/BOYAmt | 0 | 5400 |
| IRS990/InventoriesForSaleOrUseGrp/EOYAmt | 0 | 5455 |
| IRS990/InvestmentIncomeGrp/TotalRevenueColumnAmt | 0 | 91 |
| IRS990/InvestmentInJointVentureInd | 0 | false |
| IRS990/IRPDocumentCnt | 0 | 0 |
| IRS990/IRPDocumentW2GCnt | 0 | 0 |
| IRS990/LandBldgEquipAccumDeprecAmt | 0 | 73130 |
| IRS990/LandBldgEquipBasisNetGrp/BOYAmt | 0 | 613638 |
| IRS990/LandBldgEquipBasisNetGrp/EOYAmt | 0 | 596469 |
| IRS990/LandBldgEquipCostOrOtherBssAmt | 0 | 669599 |
| IRS990/LegalDomicileStateCd | 0 | AZ |
| IRS990/LicensedMoreThanOneStateInd | 0 | false |
| IRS990/LoanOutstandingInd | 0 | false |
| IRS990/LobbyingActivitiesInd | 0 | false |
| IRS990/LocalChaptersInd | 0 | false |
| IRS990/MaterialDiversionOrMisuseInd | 0 | false |
| IRS990/MembershipDuesAmt | 0 | 9972 |
| IRS990/MembersOrStockholdersInd | 0 | true |
| IRS990/MethodOfAccountingCashInd | 0 | X |
| IRS990/MinutesOfCommitteesInd | 0 | true |
| IRS990/MinutesOfGoverningBodyInd | 0 | true |
| IRS990/MissionDesc | 0 | THE MISSION OF THE COLORADO RIVER HISTORICAL SOCIETY SHALL BE TO OPERATE A MUSUEM TO PROMOTE INTEREST AND KNOWLEDGE CONCERNING THE HISTORY OF THE LOWER COLORADO RIVER AREA, MOST SPECIFICALLY THE TRISTATE AREA. |
| IRS990/MoreThan5000KToIndividualsInd | 0 | false |
| IRS990/MoreThan5000KToOrgInd | 0 | false |
| IRS990/NameChangeInd | 0 | X |
| IRS990/NetAssetsOrFundBalancesBOYAmt | 0 | 729759 |
| IRS990/NetAssetsOrFundBalancesEOYAmt | 0 | 717379 |
| IRS990/NetIncomeOrLossGrp/TotalRevenueColumnAmt | 0 | 4228 |
| IRS990/NoListedPersonsCompensatedInd | 0 | X |
| IRS990/NoncashContributionsAmt | 0 | 650 |
| IRS990/NondeductibleContributionsInd | 0 | false |
| IRS990/OfficeExpensesGrp/TotalAmt | 0 | 3314 |
| IRS990/OfficerMailingAddressInd | 0 | false |
| IRS990/OperateHospitalInd | 0 | false |
| IRS990/Organization501c3Ind | 0 | X |
| IRS990/OrgFiledInLieuOfForm1041Ind | 0 | false |
| IRS990/PartialLiquidationInd | 0 | false |
| IRS990/PayPremiumsPrsnlBnftCntrctInd | 0 | false |
| IRS990/PdInCapSrplsLandBldgEqpFundGrp/BOYAmt | 0 | 613638 |
| IRS990/PdInCapSrplsLandBldgEqpFundGrp/EOYAmt | 0 | 596469 |
| IRS990/PoliticalCampaignActyInd | 0 | false |
| IRS990/PrepaidExpensesDefrdChargesGrp/BOYAmt | 0 | 5040 |
| IRS990/PrepaidExpensesDefrdChargesGrp/EOYAmt | 0 | 5455 |
| IRS990/PrincipalOfficerNm | 0 | CARLA LUCAS |
| IRS990/ProfessionalFundraisingInd | 0 | false |
| IRS990/ProhibitedTaxShelterTransInd | 0 | false |
| IRS990/PYContributionsGrantsAmt | 0 | 161011 |
| IRS990/PYExcessBenefitTransInd | 0 | false |
| IRS990/PYOtherExpensesAmt | 0 | 48438 |
| IRS990/PYOtherRevenueAmt | 0 | 3548 |
| IRS990/PYRevenuesLessExpensesAmt | 0 | 116121 |
| IRS990/PYTotalExpensesAmt | 0 | 48438 |
| IRS990/PYTotalRevenueAmt | 0 | 164559 |
| IRS990/QuidProQuoContributionsInd | 0 | false |
| IRS990/RcvFndsToPayPrsnlBnftCntrctInd | 0 | false |
| IRS990/ReconcilationRevenueExpnssAmt | 0 | -12380 |
| IRS990/RegularMonitoringEnfrcInd | 0 | false |
| IRS990/RelatedEntityInd | 0 | false |
| IRS990/RelatedOrganizationCtrlEntInd | 0 | false |
| IRS990/ReportInvestmentsOtherSecInd | 0 | false |
| IRS990/ReportLandBuildingEquipmentInd | 0 | true |
| IRS990/ReportOtherAssetsInd | 0 | false |
| IRS990/ReportOtherLiabilitiesInd | 0 | false |
| IRS990/ReportProgramRelatedInvstInd | 0 | false |
| IRS990/RevenueAmt | 0 | 9456 |
| IRS990/RtnEarnEndowmentIncmOthFndsGrp/BOYAmt | 0 | 116121 |
| IRS990/RtnEarnEndowmentIncmOthFndsGrp/EOYAmt | 0 | 120910 |
| IRS990ScheduleA/GiftsGrantsContriRcvd170Grp/CurrentTaxYearAmt | 0 | 13483 |
| IRS990ScheduleA/GiftsGrantsContriRcvd170Grp/CurrentTaxYearMinus1YearAmt | 0 | 142725 |
| IRS990ScheduleA/GiftsGrantsContriRcvd170Grp/CurrentTaxYearMinus2YearsAmt | 0 | 63655 |
| IRS990ScheduleA/GiftsGrantsContriRcvd170Grp/CurrentTaxYearMinus3YearsAmt | 0 | 43641 |
| IRS990ScheduleA/GiftsGrantsContriRcvd170Grp/CurrentTaxYearMinus4YearsAmt | 0 | 122326 |
| IRS990ScheduleA/GiftsGrantsContriRcvd170Grp/TotalAmt | 0 | 385830 |
| IRS990ScheduleA/GrossInvestmentIncome170Grp/CurrentTaxYearAmt | 0 | 90 |
| IRS990ScheduleA/GrossInvestmentIncome170Grp/TotalAmt | 0 | 90 |
| IRS990ScheduleA/PublicOrganization170Ind | 0 | X |
| IRS990ScheduleA/PublicSupportCY170Pct | 0 | 0.99980 |
| IRS990ScheduleA/PublicSupportTotal170Amt | 0 | 385830 |
| IRS990ScheduleA/ThirtyThrPctSuprtTestsCY170Ind | 0 | X |
| IRS990ScheduleA/TotalCalendarYear170Grp/CurrentTaxYearAmt | 0 | 13483 |
| IRS990ScheduleA/TotalCalendarYear170Grp/CurrentTaxYearMinus1YearAmt | 0 | 142725 |
| IRS990ScheduleA/TotalCalendarYear170Grp/CurrentTaxYearMinus2YearsAmt | 0 | 63655 |
| IRS990ScheduleA/TotalCalendarYear170Grp/CurrentTaxYearMinus3YearsAmt | 0 | 43641 |
| IRS990ScheduleA/TotalCalendarYear170Grp/CurrentTaxYearMinus4YearsAmt | 0 | 122326 |
| IRS990ScheduleA/TotalCalendarYear170Grp/TotalAmt | 0 | 385830 |
| IRS990ScheduleA/TotalSupportAmt | 0 | 385920 |
| IRS990/ScheduleBRequiredInd | 0 | false |
| IRS990/ScheduleJRequiredInd | 0 | false |
| IRS990/ScheduleORequiredInd | 0 | false |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 0 | INVENTORIES ARE ESTIMATED AS THEY HAVE BEEN CORRECTING THAT OVER THE PAST FEW YEARS |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 0 | X LINE 8 |
| IRS990/SchoolOperatingInd | 0 | false |
| IRS990/SignificantChangeInd | 0 | false |
| IRS990/SignificantNewProgramSrvcInd | 0 | false |
| IRS990/StatesWhereCopyOfReturnIsFldCd | 0 | AZ |
| IRS990/SubjectToExcsTaxNetInvstIncInd | 0 | false |
| IRS990/SubjToTaxRmnrtnExPrchtPymtInd | 0 | false |
| IRS990/TaxableDistributionsInd | 0 | false |
| IRS990/TaxablePartyNotificationInd | 0 | false |
| IRS990/TaxExemptBondsInd | 0 | false |
| IRS990/TaxExemptInterestAmt | 0 | 0 |
| IRS990/TerminateOperationsInd | 0 | false |
| IRS990/TotalAssetsBOYAmt | 0 | 729759 |
| IRS990/TotalAssetsEOYAmt | 0 | 717628 |
| IRS990/TotalAssetsGrp/BOYAmt | 0 | 729759 |
| IRS990/TotalAssetsGrp/EOYAmt | 0 | 717628 |
| IRS990/TotalCompGreaterThan150KInd | 0 | false |
| IRS990/TotalContributionsAmt | 0 | 35870 |
| IRS990/TotalEmployeeCnt | 0 | 0 |
| IRS990/TotalFunctionalExpensesGrp/FundraisingAmt | 0 | 0 |
| IRS990/TotalFunctionalExpensesGrp/ManagementAndGeneralAmt | 0 | 0 |
| IRS990/TotalFunctionalExpensesGrp/ProgramServicesAmt | 0 | 0 |
| IRS990/TotalFunctionalExpensesGrp/TotalAmt | 0 | 52569 |
| IRS990/TotalGrossUBIAmt | 0 | 0 |
| IRS990/TotalLiabilitiesEOYAmt | 0 | 249 |
| IRS990/TotalLiabilitiesGrp/BOYAmt | 0 | 0 |
| IRS990/TotalLiabilitiesGrp/EOYAmt | 0 | 249 |
| IRS990/TotalNetAssetsFundBalanceGrp/BOYAmt | 0 | 729759 |
| IRS990/TotalNetAssetsFundBalanceGrp/EOYAmt | 0 | 717379 |
| IRS990/TotalProgramServiceExpensesAmt | 0 | 5138 |
| IRS990/TotalRevenueGrp/TotalRevenueColumnAmt | 0 | 40189 |
| IRS990/TotalVolunteersCnt | 0 | 20 |
| IRS990/TotLiabNetAssetsFundBalanceGrp/BOYAmt | 0 | 729759 |
| IRS990/TotLiabNetAssetsFundBalanceGrp/EOYAmt | 0 | 717628 |
| IRS990/TrnsfrExmptNonChrtblRltdOrgInd | 0 | false |
| IRS990/TypeOfOrganizationCorpInd | 0 | X |
| IRS990/UnrelatedBusIncmOverLimitInd | 0 | false |
| IRS990/UponRequestInd | 0 | X |
| IRS990/USAddress/AddressLine1Txt | 0 | PO BOX 1599 |
| IRS990/USAddress/CityNm | 0 | Bullhead City |
| IRS990/USAddress/StateAbbreviationCd | 0 | AZ |
| IRS990/USAddress/ZIPCd | 0 | 86430 |
| IRS990/VotingMembersGoverningBodyCnt | 0 | 0 |
| IRS990/VotingMembersIndependentCnt | 0 | 9 |
| IRS990/WebsiteAddressTxt | 0 | COLORADORIVERHISTORICALSOCIETY.ORG |
| IRS990/WhistleblowerPolicyInd | 0 | false |
| ReturnHeader/BuildTS | 0 | 2025-03-06 01:10:19Z |
| ReturnHeader/BusinessOfficerGrp/DiscussWithPaidPreparerInd | 0 | false |
| ReturnHeader/BusinessOfficerGrp/PersonNm | 0 | CARLA LUCAS |
| ReturnHeader/BusinessOfficerGrp/PersonTitleTxt | 0 | TREASURER |
| ReturnHeader/BusinessOfficerGrp/PhoneNum | 0 | 9287543399 |
| ReturnHeader/BusinessOfficerGrp/SignatureDt | 0 | 2025-08-06 |
| ReturnHeader/Filer/BusinessName/BusinessNameLine1Txt | 0 | COLORADO RIVER HISTORICAL SOCIETY INC |
| ReturnHeader/Filer/BusinessNameControlTxt | 0 | 1COL |
| ReturnHeader/Filer/EIN | 0 | 860473992 |
| ReturnHeader/Filer/PhoneNum | 0 | 9287543399 |
| ReturnHeader/Filer/USAddress/AddressLine1Txt | 0 | PO BOX 1599 |
| ReturnHeader/Filer/USAddress/CityNm | 0 | BULLHEAD CITY |
| ReturnHeader/Filer/USAddress/StateAbbreviationCd | 0 | AZ |
| ReturnHeader/Filer/USAddress/ZIPCd | 0 | 86430 |
| ReturnHeader/IRSResponsiblePrtyInfoCurrInd | 0 | true |
| ReturnHeader/PreparerFirmGrp/PreparerFirmEIN | 0 | 431871840 |
| ReturnHeader/PreparerFirmGrp/PreparerFirmName/BusinessNameLine1Txt | 0 | HRB TAX GROUP INC |
| ReturnHeader/PreparerFirmGrp/PreparerUSAddress/AddressLine1Txt | 0 | 1301 MAIN ST STE 101B |
| ReturnHeader/PreparerFirmGrp/PreparerUSAddress/CityNm | 0 | KANSAS CITY |
| ReturnHeader/PreparerFirmGrp/PreparerUSAddress/StateAbbreviationCd | 0 | MO |
| ReturnHeader/PreparerFirmGrp/PreparerUSAddress/ZIPCd | 0 | 64105 |
| ReturnHeader/PreparerPersonGrp/PhoneNum | 0 | 8004725625 |
| ReturnHeader/PreparerPersonGrp/PreparationDt | 0 | 2025-08-26 |
| ReturnHeader/PreparerPersonGrp/PreparerPersonNm | 0 | Raymond Gardner |
| ReturnHeader/ReturnTs | 0 | 2025-08-27T00:52:51Z |
| ReturnHeader/ReturnTypeCd | 0 | 990 |
| ReturnHeader/TaxPeriodBeginDt | 0 | 2024-07-01 |
| ReturnHeader/TaxPeriodEndDt | 0 | 2025-06-30 |
| ReturnHeader/TaxYr | 0 | 2024 |
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