Liabilities / Assets
36th percentile
Higher debt load relative to assets than 36% of similar nonprofits.
EIN 88-0464320 • 501(c)3 • Tonopah, NV
Profile
To promote and improve the Tonopah Historic MP
Precomputed percentiles relative to similar nonprofits. These scores are descriptive rather than judgmental.
Liabilities / Assets
36th percentile
Higher debt load relative to assets than 36% of similar nonprofits.
Liabilities / Revenue
42nd percentile
Higher debt load relative to revenue than 42% of similar nonprofits.
Net Margin
94th percentile
Higher net margin than 94% of similar nonprofits.
Top Officer Pay
Score unavailable
No filing with officer rows is available for this organization yet.
Asset Growth
74th percentile
Faster asset growth than 74% of similar nonprofits.
Revenue Growth
3rd percentile
Faster revenue growth than 3% of similar nonprofits.
Assets
Up$571,519
Up $84,841 (+17%) from 2023
Liabilities
Up$765
Up $765 from 2023
Net Assets
Up$570,754
Up $84,076 (+17%) from 2023
Revenue
Down$127,379
Down $247,765 (-66%) from 2023
Expenses
Down$43,303
Down $23,735 (-35%) from 2023
Net Income
Down$84,076
Down $224,030 (-73%) from 2023
Most recent year
2024 • Form 990Detailed filing. Detailed filing data is available for this year.
To promote and improve the Tonopah Historic MP
Organization's primary purpose is to preserve nevada's mining history, heritage, and the life surrounding it at the tonopah historic mining park. It is organized exclusively for educational purposes.
| Line | Beginning | End | Change |
|---|---|---|---|
| Assets | |||
| Cash and Non-Interest-Bearing Accounts | $157,606 | $145,042 | ▼ $12,564 |
| Land, Buildings, and Equipment, Net | $8,699 | $7,378 | ▼ $1,321 |
| Inventories for Sale or Use | $6,460 | $5,000 | ▼ $1,460 |
| Total Assets | $486,678 | $571,519 | ▲ $84,841 |
| Other Assets Total | $313,913 | $414,099 | ▲ $100,186 |
| Liabilities | |||
| Accounts Payable and Accrued Expenses | - | $765 | - |
| Total Liabilities | $0 | $765 | ▲ $765 |
| Net Assets / Fund Balance | |||
| Net Assets Without Donor Restrictions | $486,678 | $570,754 | ▲ $84,076 |
| Total Net Assets Fund Balance | $486,678 | $570,754 | ▲ $84,076 |
| Total Liabilities and Net Assets / Fund Balance | $486,678 | $571,519 | ▲ $84,841 |
| Asset | Book Value | Depreciation | Basis |
|---|---|---|---|
| Other Land Buildings | $7,378 | $1,872 | $9,250 |
| Other Assets Org | $414,099 | - | - |
| Name | Title |
|---|---|
| Douglas Baker | Trustee |
| John Terras | Trustee |
| Ken Cunningham | Trustee |
| Richard Reid | Trustee |
| Stanley Paher | Trustee |
| Ann Carpenter | Trustee & Ch |
| Glen Donald Southwick | Trustee & Se |
| Theodore Schuff | Trustee & Vi |
| Stephen Tibbals | Treasurer & |
| Line Item | Amount |
|---|---|
| Other Expenses | $43,303 |
| 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 Accounting | $18,000 | - | - | $18,000 |
| Office Expenses | $3,251 | - | - | $3,251 |
| Fees for Services Other | $2,397 | - | - | $2,397 |
| Advertising | $1,542 | - | - | $1,542 |
| Depreciation Depletion | $1,321 | - | - | $1,321 |
| Other Expenses | $88 | - | - | $88 |
| Total Functional Expenses | $43,303 | $0 | $0 | $43,303 |
| Line Item | Amount |
|---|---|
| Professional Fundraising Fees | $0 |
“Board members review the return prior to filing and discuss their reveiw with board members at a board meeting.”
“Documents are provided to the public upon request.”
“An error was noted on the tax return for 2023. Museum artifacts were incorrectly reported as operating assets and depreciated. An amendment was made on the 2023 tax return. To correct this error this amendment reflects the corrections made to the 2023 tax return that carry forward to the 2024 tax return. Museum artifacts have been removed from depreciable assets, and are reported as other assets on the balance sheet .”
“Tonopah historic mining park program costs.”
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 | 765 |
| IRS990/ActivitiesConductedPrtshpInd | 0 | false |
| IRS990/ActivityOrMissionDesc | 0 | ORGANIZATION'S PRIMARY PURPOSE IS TO PRESERVE NEVADA'S MINING HISTORY, HERITAGE, AND THE LIFE SURROUNDING IT AT THE TONOPAH HISTORIC MINING PARK. IT IS ORGANIZED EXCLUSIVELY FOR EDUCATIONAL PURPOSES. |
| IRS990/AdvertisingGrp/ProgramServicesAmt | 0 | 1542 |
| IRS990/AdvertisingGrp/TotalAmt | 0 | 1542 |
| IRS990/AllOtherContributionsAmt | 0 | 14505 |
| IRS990/AmendedReturnInd | 0 | X |
| IRS990/BooksInCareOfDetail/PersonNm | 0 | MCKENNA LETCHWORTH |
| IRS990/BooksInCareOfDetail/PhoneNum | 0 | 7754829274 |
| IRS990/BooksInCareOfDetail/USAddress/AddressLine1Txt | 0 | PO BOX 965 |
| IRS990/BooksInCareOfDetail/USAddress/CityNm | 0 | TONOPAH |
| IRS990/BooksInCareOfDetail/USAddress/StateAbbreviationCd | 0 | NV |
| IRS990/BooksInCareOfDetail/USAddress/ZIPCd | 0 | 89049 |
| IRS990/BusinessRlnWith35CtrlEntInd | 0 | false |
| IRS990/BusinessRlnWithFamMemInd | 0 | false |
| IRS990/BusinessRlnWithOrgMemInd | 0 | false |
| IRS990/CashNonInterestBearingGrp/BOYAmt | 0 | 157606 |
| IRS990/CashNonInterestBearingGrp/EOYAmt | 0 | 145042 |
| IRS990/ChangeToOrgDocumentsInd | 0 | false |
| IRS990/CollectionsOfArtInd | 0 | true |
| 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/CostOfGoodsSoldAmt | 0 | 37229 |
| IRS990/CreditCounselingInd | 0 | false |
| IRS990/CYBenefitsPaidToMembersAmt | 0 | 0 |
| IRS990/CYContributionsGrantsAmt | 0 | 62193 |
| IRS990/CYGrantsAndSimilarPaidAmt | 0 | 0 |
| IRS990/CYInvestmentIncomeAmt | 0 | 0 |
| IRS990/CYOtherExpensesAmt | 0 | 43303 |
| IRS990/CYOtherRevenueAmt | 0 | 16341 |
| IRS990/CYProgramServiceRevenueAmt | 0 | 48845 |
| IRS990/CYRevenuesLessExpensesAmt | 0 | 84076 |
| IRS990/CYSalariesCompEmpBnftPaidAmt | 0 | 0 |
| IRS990/CYTotalExpensesAmt | 0 | 43303 |
| IRS990/CYTotalFundraisingExpenseAmt | 0 | 0 |
| IRS990/CYTotalProfFndrsngExpnsAmt | 0 | 0 |
| IRS990/CYTotalRevenueAmt | 0 | 127379 |
| IRS990/DecisionsSubjectToApprovaInd | 0 | false |
| IRS990/DeductibleArtContributionInd | 0 | false |
| IRS990/DeductibleNonCashContriInd | 0 | false |
| IRS990/DelegationOfMgmtDutiesInd | 0 | false |
| IRS990/DepreciationDepletionGrp/ProgramServicesAmt | 0 | 1321 |
| IRS990/DepreciationDepletionGrp/TotalAmt | 0 | 1321 |
| IRS990/Desc | 0 | HEADFRAME RESTORATION AND REHABILITATION AT THE TONOPAH HISTORIC MINING PARK. PRESERVING THE HISTORIC LANDMARKS THAT ARE A PART OF THE ORIGINAL MINES OF TONOPAH. |
| 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 | 1542 |
| IRS990/FamilyOrBusinessRlnInd | 0 | false |
| IRS990/FederalGrantAuditRequiredInd | 0 | false |
| IRS990/FeesForServicesAccountingGrp/ProgramServicesAmt | 0 | 18000 |
| IRS990/FeesForServicesAccountingGrp/TotalAmt | 0 | 18000 |
| IRS990/FeesForServicesOtherGrp/ProgramServicesAmt | 0 | 2397 |
| IRS990/FeesForServicesOtherGrp/TotalAmt | 0 | 2397 |
| IRS990/ForeignActivitiesInd | 0 | false |
| IRS990/ForeignFinancialAccountInd | 0 | false |
| IRS990/ForeignOfficeInd | 0 | false |
| 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/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 | DOUGLAS BAKER |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 1 | KEN CUNNINGHAM |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 2 | STANLEY PAHER |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 3 | RICHARD REID |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 4 | JOHN TERRAS |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 5 | STEPHEN TIBBALS |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 6 | ANN CARPENTER |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 7 | THEODORE SCHUFF |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 8 | GLEN DONALD SOUTHWICK |
| 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 | TRUSTEE |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 1 | TRUSTEE |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 2 | TRUSTEE |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 3 | TRUSTEE |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 4 | TRUSTEE |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 5 | TREASURER & |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 6 | TRUSTEE & CH |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 7 | TRUSTEE & VI |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 8 | TRUSTEE & SE |
| IRS990/Form990ProvidedToGvrnBodyInd | 0 | true |
| IRS990/FormationYr | 0 | 2000 |
| IRS990/FormerOfcrEmployeesListedInd | 0 | false |
| IRS990/FSAuditedInd | 0 | false |
| IRS990/FundraisingActivitiesInd | 0 | false |
| IRS990/GamingActivitiesInd | 0 | false |
| IRS990/GoverningBodyVotingMembersCnt | 0 | 9 |
| IRS990/GovernmentGrantsAmt | 0 | 47688 |
| IRS990/GrantsToIndividualsInd | 0 | false |
| IRS990/GrantsToOrganizationsInd | 0 | false |
| IRS990/GrantToRelatedPersonInd | 0 | false |
| IRS990/GrossReceiptsAmt | 0 | 164608 |
| IRS990/GrossSalesOfInventoryAmt | 0 | 53570 |
| IRS990/GroupReturnForAffiliatesInd | 0 | false |
| IRS990/IncludeFIN48FootnoteInd | 0 | false |
| IRS990/IndependentAuditFinclStmtInd | 0 | false |
| IRS990/IndependentVotingMemberCnt | 0 | 9 |
| IRS990/IndoorTanningServicesInd | 0 | false |
| IRS990/InfoInScheduleOPartIIIInd | 0 | X |
| IRS990/InfoInScheduleOPartVIInd | 0 | X |
| IRS990/InventoriesForSaleOrUseGrp/BOYAmt | 0 | 6460 |
| IRS990/InventoriesForSaleOrUseGrp/EOYAmt | 0 | 5000 |
| IRS990/InvestmentInJointVentureInd | 0 | false |
| IRS990/IRPDocumentCnt | 0 | 2 |
| IRS990/IRPDocumentW2GCnt | 0 | 0 |
| IRS990/LandBldgEquipAccumDeprecAmt | 0 | 1872 |
| IRS990/LandBldgEquipBasisNetGrp/BOYAmt | 0 | 8699 |
| IRS990/LandBldgEquipBasisNetGrp/EOYAmt | 0 | 7378 |
| IRS990/LandBldgEquipCostOrOtherBssAmt | 0 | 9250 |
| IRS990/LegalDomicileStateCd | 0 | NV |
| IRS990/LoanOutstandingInd | 0 | false |
| IRS990/LobbyingActivitiesInd | 0 | false |
| IRS990/LocalChaptersInd | 0 | false |
| IRS990/MaterialDiversionOrMisuseInd | 0 | false |
| IRS990/MembersOrStockholdersInd | 0 | false |
| IRS990/MethodOfAccountingCashInd | 0 | X |
| IRS990/MinutesOfCommitteesInd | 0 | true |
| IRS990/MinutesOfGoverningBodyInd | 0 | true |
| IRS990/MissionDesc | 0 | ORGANIZATION'S PRIMARY PURPOSE IS TO PRESERVE NEVADA'S MINING HISTORY, HERITAGE, AND THE LIFE SURROUNDING IT AT THE TONOPAH HISTORIC MINING PARK. IT IS ORGANIZED EXCLUSIVELY FOR EDUCATIONAL PURPOSES. |
| IRS990/MoreThan5000KToIndividualsInd | 0 | false |
| IRS990/MoreThan5000KToOrgInd | 0 | false |
| IRS990/NetAssetsOrFundBalancesBOYAmt | 0 | 486678 |
| IRS990/NetAssetsOrFundBalancesEOYAmt | 0 | 570754 |
| IRS990/NetIncomeOrLossGrp/RelatedOrExemptFuncIncomeAmt | 0 | 16341 |
| IRS990/NetIncomeOrLossGrp/TotalRevenueColumnAmt | 0 | 16341 |
| IRS990/NoDonorRestrictionNetAssetsGrp/BOYAmt | 0 | 486678 |
| IRS990/NoDonorRestrictionNetAssetsGrp/EOYAmt | 0 | 570754 |
| IRS990/NoListedPersonsCompensatedInd | 0 | X |
| IRS990/NondeductibleContributionsInd | 0 | false |
| IRS990/OfficeExpensesGrp/ProgramServicesAmt | 0 | 3251 |
| IRS990/OfficeExpensesGrp/TotalAmt | 0 | 3251 |
| IRS990/OfficerMailingAddressInd | 0 | false |
| IRS990/OperateHospitalInd | 0 | false |
| IRS990/Organization501c3Ind | 0 | X |
| IRS990/OrganizationFollowsFASB117Ind | 0 | X |
| IRS990/OtherAssetsTotalGrp/BOYAmt | 0 | 313913 |
| IRS990/OtherAssetsTotalGrp/EOYAmt | 0 | 414099 |
| IRS990/OtherExpensesGrp/Desc | 0 | GATE FEES |
| IRS990/OtherExpensesGrp/Desc | 1 | BANK AND CREDIT CARD FEES |
| IRS990/OtherExpensesGrp/Desc | 2 | DUES |
| IRS990/OtherExpensesGrp/ProgramServicesAmt | 0 | 14424 |
| IRS990/OtherExpensesGrp/ProgramServicesAmt | 1 | 2280 |
| IRS990/OtherExpensesGrp/ProgramServicesAmt | 2 | 88 |
| IRS990/OtherExpensesGrp/TotalAmt | 0 | 14424 |
| IRS990/OtherExpensesGrp/TotalAmt | 1 | 2280 |
| IRS990/OtherExpensesGrp/TotalAmt | 2 | 88 |
| IRS990/PartialLiquidationInd | 0 | false |
| IRS990/PoliticalCampaignActyInd | 0 | false |
| IRS990/PrincipalOfficerNm | 0 | ANN CARPENTER |
| IRS990/ProfessionalFundraisingInd | 0 | false |
| IRS990/ProgramServiceRevenueGrp/Desc | 0 | MUSEUM ENTRACE & EVENT FEES |
| IRS990/ProgramServiceRevenueGrp/RelatedOrExemptFuncIncomeAmt | 0 | 48845 |
| IRS990/ProgramServiceRevenueGrp/TotalRevenueColumnAmt | 0 | 48845 |
| IRS990/ProgSrvcAccomActy2Grp/Desc | 0 | ENTRACE & SPECIAL EVENT FEES COLLECTED ARE PAID TO TOWN OF TONOPAH TO HELP SUPPORT THE TONOPAH HISTORIC MINING PARK PROPERTY AND STAFF HIRED BY TOWN OF TONOPAH TO CARE FOR AND GIVE TOURS OF THE PROPERTY, WHICH IS OWNED BY THE TOWN OF TONOPAH, AND THE HISTORICAL COLLECTIONS, WHICH ARE OWNED BY THE FOUNDATION. |
| IRS990/ProgSrvcAccomActy2Grp/ExpenseAmt | 0 | 40440 |
| IRS990/ProgSrvcAccomActy2Grp/RevenueAmt | 0 | 48845 |
| IRS990/ProgSrvcAccomActyOtherGrp/Desc | 0 | TONOPAH HISTORIC MINING PARK PROGRAM COSTS. |
| IRS990/ProgSrvcAccomActyOtherGrp/ExpenseAmt | 0 | 1321 |
| IRS990/ProhibitedTaxShelterTransInd | 0 | false |
| IRS990/PYContributionsGrantsAmt | 0 | 301906 |
| IRS990/PYExcessBenefitTransInd | 0 | false |
| IRS990/PYOtherExpensesAmt | 0 | 67038 |
| IRS990/PYOtherRevenueAmt | 0 | 12450 |
| IRS990/PYProgramServiceRevenueAmt | 0 | 60788 |
| IRS990/PYRevenuesLessExpensesAmt | 0 | 308106 |
| IRS990/PYTotalExpensesAmt | 0 | 67038 |
| IRS990/PYTotalRevenueAmt | 0 | 375144 |
| IRS990/ReconcilationRevenueExpnssAmt | 0 | 84076 |
| IRS990/RelatedEntityInd | 0 | false |
| IRS990/RelatedOrganizationCtrlEntInd | 0 | false |
| IRS990/ReportInvestmentsOtherSecInd | 0 | false |
| IRS990/ReportLandBuildingEquipmentInd | 0 | true |
| IRS990/ReportOtherAssetsInd | 0 | true |
| IRS990/ReportOtherLiabilitiesInd | 0 | false |
| IRS990/ReportProgramRelatedInvstInd | 0 | false |
| IRS990ScheduleA/GiftsGrantsContriRcvd170Grp/CurrentTaxYearAmt | 0 | 62193 |
| IRS990ScheduleA/GiftsGrantsContriRcvd170Grp/CurrentTaxYearMinus1YearAmt | 0 | 301906 |
| IRS990ScheduleA/GiftsGrantsContriRcvd170Grp/CurrentTaxYearMinus2YearsAmt | 0 | 10693 |
| IRS990ScheduleA/GiftsGrantsContriRcvd170Grp/CurrentTaxYearMinus3YearsAmt | 0 | 155762 |
| IRS990ScheduleA/GiftsGrantsContriRcvd170Grp/CurrentTaxYearMinus4YearsAmt | 0 | 19301 |
| IRS990ScheduleA/GiftsGrantsContriRcvd170Grp/TotalAmt | 0 | 549855 |
| IRS990ScheduleA/GrossReceiptsRltdActivitiesAmt | 0 | 485459 |
| IRS990ScheduleA/PublicOrganization170Ind | 0 | X |
| IRS990ScheduleA/PublicSupportCY170Pct | 0 | 1.00000 |
| IRS990ScheduleA/PublicSupportPY170Pct | 0 | 1.00000 |
| IRS990ScheduleA/PublicSupportTotal170Amt | 0 | 549855 |
| IRS990ScheduleA/ThirtyThrPctSuprtTestsCY170Ind | 0 | X |
| IRS990ScheduleA/TotalCalendarYear170Grp/CurrentTaxYearAmt | 0 | 62193 |
| IRS990ScheduleA/TotalCalendarYear170Grp/CurrentTaxYearMinus1YearAmt | 0 | 301906 |
| IRS990ScheduleA/TotalCalendarYear170Grp/CurrentTaxYearMinus2YearsAmt | 0 | 10693 |
| IRS990ScheduleA/TotalCalendarYear170Grp/CurrentTaxYearMinus3YearsAmt | 0 | 155762 |
| IRS990ScheduleA/TotalCalendarYear170Grp/CurrentTaxYearMinus4YearsAmt | 0 | 19301 |
| IRS990ScheduleA/TotalCalendarYear170Grp/TotalAmt | 0 | 549855 |
| IRS990ScheduleA/TotalSupportAmt | 0 | 549855 |
| IRS990/ScheduleBRequiredInd | 0 | false |
| IRS990ScheduleD/OtherAssetsOrgGrp/BookValueAmt | 0 | 414099 |
| IRS990ScheduleD/OtherAssetsOrgGrp/Desc | 0 | MUSEUM ARTIFACTS |
| IRS990ScheduleD/OtherLandBuildingsGrp/BookValueAmt | 0 | 7378 |
| IRS990ScheduleD/OtherLandBuildingsGrp/DepreciationAmt | 0 | 1872 |
| IRS990ScheduleD/OtherLandBuildingsGrp/OtherCostOrOtherBasisAmt | 0 | 9250 |
| IRS990ScheduleD/SolicitedAssetsSaleInd | 0 | false |
| IRS990ScheduleD/TotalBookValueLandBuildingsAmt | 0 | 7378 |
| IRS990ScheduleD/TotalBookValueOtherAssetsAmt | 0 | 414099 |
| IRS990/ScheduleJRequiredInd | 0 | false |
| IRS990/ScheduleORequiredInd | 0 | true |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 0 | AN ERROR WAS NOTED ON THE TAX RETURN FOR 2023. MUSEUM ARTIFACTS WERE INCORRECTLY REPORTED AS OPERATING ASSETS AND DEPRECIATED. AN AMENDMENT WAS MADE ON THE 2023 TAX RETURN. TO CORRECT THIS ERROR THIS AMENDMENT REFLECTS THE CORRECTIONS MADE TO THE 2023 TAX RETURN THAT CARRY FORWARD TO THE 2024 TAX RETURN. MUSEUM ARTIFACTS HAVE BEEN REMOVED FROM DEPRECIABLE ASSETS, AND ARE REPORTED AS OTHER ASSETS ON THE BALANCE SHEET . |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 1 | TONOPAH HISTORIC MINING PARK PROGRAM COSTS. |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 2 | BOARD MEMBERS REVIEW THE RETURN PRIOR TO FILING AND DISCUSS THEIR REVEIW WITH BOARD MEMBERS AT A BOARD MEETING. |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 3 | DOCUMENTS ARE PROVIDED TO THE PUBLIC UPON REQUEST. |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 0 | FORM 990, PAGE 1, ITEM B |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 1 | FORM 990, PAGE 2, PART III, LINE 4D |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 2 | FORM 990, PAGE 6, PART VI, LINE 11B |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 3 | FORM 990, PAGE 6, PART VI, LINE 19 |
| 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 | 486678 |
| IRS990/TotalAssetsEOYAmt | 0 | 571519 |
| IRS990/TotalAssetsGrp/BOYAmt | 0 | 486678 |
| IRS990/TotalAssetsGrp/EOYAmt | 0 | 571519 |
| IRS990/TotalCompGreaterThan150KInd | 0 | false |
| IRS990/TotalContributionsAmt | 0 | 62193 |
| IRS990/TotalEmployeeCnt | 0 | 0 |
| IRS990/TotalFunctionalExpensesGrp/FundraisingAmt | 0 | 0 |
| IRS990/TotalFunctionalExpensesGrp/ManagementAndGeneralAmt | 0 | 0 |
| IRS990/TotalFunctionalExpensesGrp/ProgramServicesAmt | 0 | 43303 |
| IRS990/TotalFunctionalExpensesGrp/TotalAmt | 0 | 43303 |
| IRS990/TotalGrossUBIAmt | 0 | 0 |
| IRS990/TotalLiabilitiesEOYAmt | 0 | 765 |
| IRS990/TotalLiabilitiesGrp/BOYAmt | 0 | 0 |
| IRS990/TotalLiabilitiesGrp/EOYAmt | 0 | 765 |
| IRS990/TotalNetAssetsFundBalanceGrp/BOYAmt | 0 | 486678 |
| IRS990/TotalNetAssetsFundBalanceGrp/EOYAmt | 0 | 570754 |
| IRS990/TotalOtherProgSrvcExpenseAmt | 0 | 1321 |
| IRS990/TotalProgramServiceExpensesAmt | 0 | 43303 |
| IRS990/TotalProgramServiceRevenueAmt | 0 | 48845 |
| IRS990/TotalRevenueGrp/RelatedOrExemptFuncIncomeAmt | 0 | 65186 |
| IRS990/TotalRevenueGrp/TotalRevenueColumnAmt | 0 | 127379 |
| IRS990/TotLiabNetAssetsFundBalanceGrp/BOYAmt | 0 | 486678 |
| IRS990/TotLiabNetAssetsFundBalanceGrp/EOYAmt | 0 | 571519 |
| IRS990/TrnsfrExmptNonChrtblRltdOrgInd | 0 | false |
| IRS990/TypeOfOrganizationCorpInd | 0 | X |
| IRS990/UnrelatedBusIncmOverLimitInd | 0 | false |
| IRS990/UponRequestInd | 0 | X |
| IRS990/USAddress/AddressLine1Txt | 0 | 5445 GOLDENROD DRIVE |
| IRS990/USAddress/CityNm | 0 | RENO |
| IRS990/USAddress/StateAbbreviationCd | 0 | NV |
| IRS990/USAddress/ZIPCd | 0 | 89511 |
| IRS990/VotingMembersGoverningBodyCnt | 0 | 9 |
| IRS990/VotingMembersIndependentCnt | 0 | 9 |
| IRS990/WebsiteAddressTxt | 0 | WWW.TONOPAHHISTORICMININGPARK.COM |
| IRS990/WhistleblowerPolicyInd | 0 | false |
| ReturnHeader/BuildTS | 0 | 2025-03-06 01:10:19Z |
| ReturnHeader/BusinessOfficerGrp/DiscussWithPaidPreparerInd | 0 | true |
| ReturnHeader/BusinessOfficerGrp/PersonNm | 0 | STEPHEN TIBBALS |
| ReturnHeader/BusinessOfficerGrp/PersonTitleTxt | 0 | TREASURER & TRUSTEE |
| ReturnHeader/BusinessOfficerGrp/PhoneNum | 0 | 7754829274 |
| ReturnHeader/BusinessOfficerGrp/SignatureDt | 0 | 2025-12-03 |
| ReturnHeader/Filer/BusinessName/BusinessNameLine1Txt | 0 | TONOPAH HISTORIC MINING PARK |
| ReturnHeader/Filer/BusinessName/BusinessNameLine2Txt | 0 | FOUNDATION |
| ReturnHeader/Filer/BusinessNameControlTxt | 0 | TONO |
| ReturnHeader/Filer/EIN | 0 | 880464320 |
| ReturnHeader/Filer/PhoneNum | 0 | 7754829274 |
| ReturnHeader/Filer/USAddress/AddressLine1Txt | 0 | PO BOX 965 |
| ReturnHeader/Filer/USAddress/CityNm | 0 | TONOPAH |
| ReturnHeader/Filer/USAddress/StateAbbreviationCd | 0 | NV |
| ReturnHeader/Filer/USAddress/ZIPCd | 0 | 890490965 |
| ReturnHeader/IRSResponsiblePrtyInfoCurrInd | 0 | true |
| ReturnHeader/PreparerFirmGrp/PreparerFirmEIN | 0 | 880294302 |
| ReturnHeader/PreparerFirmGrp/PreparerFirmName/BusinessNameLine1Txt | 0 | DANIEL C MCARTHUR LTD |
| ReturnHeader/PreparerFirmGrp/PreparerUSAddress/AddressLine1Txt | 0 | 501 SOUTH RANCHO DRIVE SUITE E-30 |
| ReturnHeader/PreparerFirmGrp/PreparerUSAddress/CityNm | 0 | LAS VEGAS |
| ReturnHeader/PreparerFirmGrp/PreparerUSAddress/StateAbbreviationCd | 0 | NV |
| ReturnHeader/PreparerFirmGrp/PreparerUSAddress/ZIPCd | 0 | 89106 |
| ReturnHeader/PreparerPersonGrp/PhoneNum | 0 | 7023851899 |
| ReturnHeader/PreparerPersonGrp/PreparationDt | 0 | 2025-12-03 |
| ReturnHeader/PreparerPersonGrp/PreparerPersonNm | 0 | DANIEL C MCARTHUR CPA |
| ReturnHeader/ReturnTs | 0 | 2025-12-03T21:38:26-05:00 |
| ReturnHeader/ReturnTypeCd | 0 | 990 |
| ReturnHeader/TaxPeriodBeginDt | 0 | 2024-01-01 |
| ReturnHeader/TaxPeriodEndDt | 0 | 2024-12-31 |
| ReturnHeader/TaxYr | 0 | 2024 |
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