Liabilities / Assets
60th percentile
Tied with the lowest-debt nonprofits in its peer group.
EIN 41-1641547 • 501(c)3 • Tower, MN
Profile
To collect, preserve, and disseminate knowledge about the history of the tower-soudan area and the state of minnesota
Precomputed percentiles relative to similar nonprofits. These scores are descriptive rather than judgmental.
Liabilities / Assets
60th percentile
Tied with the lowest-debt nonprofits in its peer group.
Liabilities / Revenue
62nd percentile
Tied with the lowest-debt nonprofits in its peer group.
Net Margin
94th percentile
Higher net margin than 94% of similar nonprofits.
Top Officer Pay
81st percentile
Higher top officer pay than 81% of similar nonprofits.
Top officer pay equals 0.0% of source-year revenue.
Asset Growth
92nd percentile
Faster asset growth than 92% of similar nonprofits.
Revenue Growth
17th percentile
Faster revenue growth than 17% of similar nonprofits.
Assets
Up$309,705
Up $153,103 (+98%) from 2023
Liabilities
Flat$0
Flat from 2023
Net Assets
Up$309,705
Up $153,103 (+98%) from 2023
Revenue
Down$216,158
Down $252,599 (-54%) from 2023
Expenses
Down$63,055
Down $480,391 (-88%) from 2023
Net Income
Up$153,103
Up $227,792 (+305%) 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. | $3.10 | $0.00 | $3.10 | $2.16 | $0.63 | $1.53 |
| 2023Detailed filing. Detailed filing data is available for this year. | $1.57 | $0.00 | $1.57 | $4.69 | $5.43 | $0.75 |
| 2022Detailed filing. Detailed filing data is available for this year. | $2.31 | $0.00 | $2.31 | $3.39 | $1.81 | $1.58 |
To collect, preserve, and disseminate knowledge about the history of the tower-soudan area and the state of minnesota
| Line | Beginning | End | Change |
|---|---|---|---|
| Assets | |||
| Savings and Temporary Cash Investments | $123,858 | $274,282 | ▲ $150,424 |
| Cash and Non-Interest-Bearing Accounts | $32,744 | $35,423 | ▲ $2,679 |
| Total Assets | $156,602 | $309,705 | ▲ $153,103 |
| Liabilities | |||
| Total Liabilities | $0 | $0 | → $0 |
| Net Assets / Fund Balance | |||
| Net Assets With Donor Restrictions | $64,621 | $192,963 | ▲ $128,342 |
| Net Assets Without Donor Restrictions | $91,981 | $116,742 | ▲ $24,761 |
| Total Net Assets Fund Balance | $156,602 | $309,705 | ▲ $153,103 |
| Total Liabilities and Net Assets / Fund Balance | $156,602 | $309,705 | ▲ $153,103 |
| Name | Title |
|---|---|
| Nancy Larson | President |
| Louise Gately | Vice President |
| Alan Kilberg | Director |
| Cliff Koski | Director |
| Cookie Bonicatto | Director |
| Dick Peyla | Director |
| Doug Workman | Director |
| Kathy Siskar | Director |
| Leon Anderson | Director |
| Linda Haugen | Director |
| Mary St Onge | Director |
| Richard Hanson | Director |
| Linda Folstad | Secretary |
| Diane Meehan | Treasurer |
| Line Item | Amount |
|---|---|
| Other Expenses | $63,055 |
| Total Fundraising Expense | $5,774 |
| Grants and Similar Amounts Paid | $0 |
| Professional Fundraising Fees | $0 |
| Salaries, Compensation, and Employee Benefits | $0 |
| Line Item | Program | Management | Fundraising | Total |
|---|---|---|---|---|
| Advertising | $7,622 | $188 | $296 | $8,106 |
| Fees for Services Accounting | $0 | $3,340 | $0 | $3,340 |
| Fees for Services Other | $1,550 | $1,581 | $0 | $3,131 |
| Fees for Services Management | $0 | $1,840 | $0 | $1,840 |
| Insurance | $0 | $1,718 | $0 | $1,718 |
| Information Technology | $0 | $1,554 | $0 | $1,554 |
| Office Expenses | $0 | $1,320 | $0 | $1,320 |
| Occupancy | $0 | $1,252 | $0 | $1,252 |
| Other Expenses | $57 | $82 | $0 | $139 |
| All Other Expenses | $0 | $28 | $0 | $28 |
| Total Functional Expenses | $44,378 | $12,903 | $5,774 | $63,055 |
| Line Item | Amount |
|---|---|
| Expenses per Audited Statements | $63,055 |
| Total Expenses per Audited Statements | $63,055 |
| Total Expenses per Form 990 | $63,055 |
| Line Item | Amount |
|---|---|
| Fundraising Gross Income | $22,308 |
| Professional Fundraising Fees | $0 |
“The president and treasurer review the 990 before filing.”
“All documents are available upon request.”
“All board members are required to complete a conflict of interest form annually and disclose any potential conflicts. Executive committee reviews the forms and references them when making decisions.”
“The president and treasurer of the board accept responsibility for the oversight of the audit.”
“The collection consists of items from and about the tower-soudan history, including mining items, train cars, and recently improvements to the historical fire hall.”
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/ActivitiesConductedPrtshpInd | 0 | false |
| IRS990/ActivityOrMissionDesc | 0 | TO COLLECT, PRESERVE, AND DISSEMINATE KNOWLEDGE ABOUT THE HISTORY OF THE TOWER-SOUDAN AREA AND THE STATE OF MINNESOTA |
| IRS990/AdvertisingGrp/FundraisingAmt | 0 | 296 |
| IRS990/AdvertisingGrp/ManagementAndGeneralAmt | 0 | 188 |
| IRS990/AdvertisingGrp/ProgramServicesAmt | 0 | 7622 |
| IRS990/AdvertisingGrp/TotalAmt | 0 | 8106 |
| IRS990/AllOtherContributionsAmt | 0 | 187084 |
| IRS990/AllOtherExpensesGrp/FundraisingAmt | 0 | 0 |
| IRS990/AllOtherExpensesGrp/ManagementAndGeneralAmt | 0 | 28 |
| IRS990/AllOtherExpensesGrp/ProgramServicesAmt | 0 | 0 |
| IRS990/AllOtherExpensesGrp/TotalAmt | 0 | 28 |
| IRS990/AnnualDisclosureCoveredPrsnInd | 0 | true |
| IRS990/AuditCommitteeInd | 0 | true |
| IRS990/BackupWthldComplianceInd | 0 | true |
| IRS990/BooksInCareOfDetail/PersonNm | 0 | DIANE MEEHAN |
| IRS990/BooksInCareOfDetail/PhoneNum | 0 | 2187535021 |
| IRS990/BooksInCareOfDetail/USAddress/AddressLine1Txt | 0 | PO BOX 465 |
| IRS990/BooksInCareOfDetail/USAddress/CityNm | 0 | TOWER |
| IRS990/BooksInCareOfDetail/USAddress/StateAbbreviationCd | 0 | MN |
| IRS990/BooksInCareOfDetail/USAddress/ZIPCd | 0 | 55790 |
| IRS990/BusinessRlnWith35CtrlEntInd | 0 | false |
| IRS990/BusinessRlnWithFamMemInd | 0 | false |
| IRS990/BusinessRlnWithOrgMemInd | 0 | false |
| IRS990/CashNonInterestBearingGrp/BOYAmt | 0 | 32744 |
| IRS990/CashNonInterestBearingGrp/EOYAmt | 0 | 35423 |
| IRS990/ChangeToOrgDocumentsInd | 0 | false |
| IRS990/CollectionsOfArtInd | 0 | true |
| IRS990/CompensationFromOtherSrcsInd | 0 | false |
| IRS990/CompensationProcessCEOInd | 0 | false |
| IRS990/CompensationProcessOtherInd | 0 | false |
| IRS990/ConflictOfInterestPolicyInd | 0 | true |
| IRS990/ConservationEasementsInd | 0 | false |
| IRS990/ConsolidatedAuditFinclStmtInd | 0 | false |
| IRS990/CreditCounselingInd | 0 | false |
| IRS990/CYBenefitsPaidToMembersAmt | 0 | 0 |
| IRS990/CYContributionsGrantsAmt | 0 | 192360 |
| IRS990/CYGrantsAndSimilarPaidAmt | 0 | 0 |
| IRS990/CYInvestmentIncomeAmt | 0 | 775 |
| IRS990/CYOtherExpensesAmt | 0 | 63055 |
| IRS990/CYOtherRevenueAmt | 0 | 23023 |
| IRS990/CYProgramServiceRevenueAmt | 0 | 0 |
| IRS990/CYRevenuesLessExpensesAmt | 0 | 153103 |
| IRS990/CYSalariesCompEmpBnftPaidAmt | 0 | 0 |
| IRS990/CYTotalExpensesAmt | 0 | 63055 |
| IRS990/CYTotalFundraisingExpenseAmt | 0 | 5774 |
| IRS990/CYTotalProfFndrsngExpnsAmt | 0 | 0 |
| IRS990/CYTotalRevenueAmt | 0 | 216158 |
| IRS990/DecisionsSubjectToApprovaInd | 0 | false |
| IRS990/DeductibleArtContributionInd | 0 | false |
| IRS990/DeductibleNonCashContriInd | 0 | false |
| IRS990/DelegationOfMgmtDutiesInd | 0 | false |
| IRS990/Desc | 0 | TO COLLECT, PRESERVE, AND DISSEMINATE KNOWLEDGE ABOUT THE HISTORY OF THE TOWER-SOUDAN AREA AND THE STATE OF MINNESOTA |
| IRS990/DescribedInSection501c3Ind | 0 | true |
| IRS990/DisregardedEntityInd | 0 | false |
| IRS990/DocumentRetentionPolicyInd | 0 | true |
| IRS990/DonorAdvisedFundInd | 0 | false |
| IRS990/DonorRestrictionNetAssetsGrp/BOYAmt | 0 | 64621 |
| IRS990/DonorRestrictionNetAssetsGrp/EOYAmt | 0 | 192963 |
| IRS990/DonorRstrOrQuasiEndowmentsInd | 0 | false |
| IRS990/ElectionOfBoardMembersInd | 0 | false |
| IRS990/EmployeeCnt | 0 | 0 |
| IRS990/EngagedInExcessBenefitTransInd | 0 | false |
| IRS990/ExpenseAmt | 0 | 44378 |
| IRS990/FamilyOrBusinessRlnInd | 0 | false |
| IRS990/FederalGrantAuditRequiredInd | 0 | false |
| IRS990/FeesForServicesAccountingGrp/FundraisingAmt | 0 | 0 |
| IRS990/FeesForServicesAccountingGrp/ManagementAndGeneralAmt | 0 | 3340 |
| IRS990/FeesForServicesAccountingGrp/ProgramServicesAmt | 0 | 0 |
| IRS990/FeesForServicesAccountingGrp/TotalAmt | 0 | 3340 |
| IRS990/FeesForServicesManagementGrp/FundraisingAmt | 0 | 0 |
| IRS990/FeesForServicesManagementGrp/ManagementAndGeneralAmt | 0 | 1840 |
| IRS990/FeesForServicesManagementGrp/ProgramServicesAmt | 0 | 0 |
| IRS990/FeesForServicesManagementGrp/TotalAmt | 0 | 1840 |
| IRS990/FeesForServicesOtherGrp/FundraisingAmt | 0 | 0 |
| IRS990/FeesForServicesOtherGrp/ManagementAndGeneralAmt | 0 | 1581 |
| IRS990/FeesForServicesOtherGrp/ProgramServicesAmt | 0 | 1550 |
| IRS990/FeesForServicesOtherGrp/TotalAmt | 0 | 3131 |
| IRS990/ForeignActivitiesInd | 0 | false |
| IRS990/ForeignFinancialAccountInd | 0 | false |
| IRS990/ForeignOfficeInd | 0 | false |
| IRS990/Form8282PropertyDisposedOfInd | 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/IndividualTrusteeOrDirectorInd | 6 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 7 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 8 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 9 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 10 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 11 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 12 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 13 | X |
| IRS990/Form990PartVIISectionAGrp/OfficerInd | 0 | X |
| IRS990/Form990PartVIISectionAGrp/OfficerInd | 1 | X |
| IRS990/Form990PartVIISectionAGrp/OfficerInd | 2 | X |
| IRS990/Form990PartVIISectionAGrp/OfficerInd | 3 | 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/OtherCompensationAmt | 9 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 10 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 11 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 12 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 13 | 0 |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 0 | LEON ANDERSON |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 1 | COOKIE BONICATTO |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 2 | RICHARD HANSON |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 3 | LINDA HAUGEN |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 4 | ALAN KILBERG |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 5 | CLIFF KOSKI |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 6 | DICK PEYLA |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 7 | KATHY SISKAR |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 8 | MARY ST ONGE |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 9 | DOUG WORKMAN |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 10 | NANCY LARSON |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 11 | LOUISE GATELY |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 12 | LINDA FOLSTAD |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 13 | DIANE MEEHAN |
| 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/ReportableCompFromOrgAmt | 9 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 10 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 11 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 12 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 13 | 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/ReportableCompFromRltdOrgAmt | 9 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 10 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 11 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 12 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 13 | 0 |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 0 | DIRECTOR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 1 | DIRECTOR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 2 | DIRECTOR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 3 | DIRECTOR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 4 | DIRECTOR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 5 | DIRECTOR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 6 | DIRECTOR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 7 | DIRECTOR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 8 | DIRECTOR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 9 | DIRECTOR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 10 | PRESIDENT |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 11 | VICE PRESIDENT |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 12 | SECRETARY |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 13 | TREASURER |
| IRS990/Form990ProvidedToGvrnBodyInd | 0 | false |
| IRS990/FormationYr | 0 | 1963 |
| IRS990/FormerOfcrEmployeesListedInd | 0 | false |
| IRS990/FSAuditedBasisGrp/SeparateBasisFinclStmtInd | 0 | X |
| IRS990/FSAuditedInd | 0 | true |
| IRS990/FundraisingActivitiesInd | 0 | false |
| IRS990/FundraisingGrossIncomeAmt | 0 | 22308 |
| IRS990/GainOrLossGrp/SecuritiesAmt | 0 | 135 |
| IRS990/GamingActivitiesInd | 0 | false |
| IRS990/GoverningBodyVotingMembersCnt | 0 | 12 |
| IRS990/GovernmentGrantsAmt | 0 | 3946 |
| IRS990/GrantAmt | 0 | 0 |
| IRS990/GrantsToIndividualsInd | 0 | false |
| IRS990/GrantsToOrganizationsInd | 0 | false |
| IRS990/GrantToRelatedPersonInd | 0 | false |
| IRS990/GrossAmountSalesAssetsGrp/SecuritiesAmt | 0 | 135 |
| IRS990/GrossReceiptsAmt | 0 | 216158 |
| IRS990/GroupReturnForAffiliatesInd | 0 | false |
| IRS990/IncludeFIN48FootnoteInd | 0 | false |
| IRS990/IndependentAuditFinclStmtInd | 0 | true |
| IRS990/IndependentVotingMemberCnt | 0 | 12 |
| IRS990/IndoorTanningServicesInd | 0 | false |
| IRS990/InfoInScheduleOPartVIInd | 0 | X |
| IRS990/InfoInScheduleOPartXIInd | 0 | X |
| IRS990/InformationTechnologyGrp/FundraisingAmt | 0 | 0 |
| IRS990/InformationTechnologyGrp/ManagementAndGeneralAmt | 0 | 1554 |
| IRS990/InformationTechnologyGrp/ProgramServicesAmt | 0 | 0 |
| IRS990/InformationTechnologyGrp/TotalAmt | 0 | 1554 |
| IRS990/InsuranceGrp/FundraisingAmt | 0 | 0 |
| IRS990/InsuranceGrp/ManagementAndGeneralAmt | 0 | 1718 |
| IRS990/InsuranceGrp/ProgramServicesAmt | 0 | 0 |
| IRS990/InsuranceGrp/TotalAmt | 0 | 1718 |
| IRS990/InvestmentIncomeGrp/ExclusionAmt | 0 | 640 |
| IRS990/InvestmentIncomeGrp/TotalRevenueColumnAmt | 0 | 640 |
| IRS990/InvestmentIncomeGrp/UnrelatedBusinessRevenueAmt | 0 | 0 |
| IRS990/InvestmentInJointVentureInd | 0 | false |
| IRS990/IRPDocumentCnt | 0 | 1 |
| IRS990/IRPDocumentW2GCnt | 0 | 0 |
| IRS990/LegalDomicileStateCd | 0 | MN |
| IRS990/LoanOutstandingInd | 0 | false |
| IRS990/LobbyingActivitiesInd | 0 | false |
| IRS990/LocalChaptersInd | 0 | false |
| IRS990/MaterialDiversionOrMisuseInd | 0 | false |
| IRS990/MembershipDuesAmt | 0 | 1330 |
| IRS990/MembersOrStockholdersInd | 0 | false |
| IRS990/MethodOfAccountingCashInd | 0 | X |
| IRS990/MinutesOfCommitteesInd | 0 | true |
| IRS990/MinutesOfGoverningBodyInd | 0 | true |
| IRS990/MissionDesc | 0 | TO COLLECT, PRESERVE, AND DISSEMINATE KNOWLEDGE ABOUT THE HISTORY OF THE TOWER-SOUDAN AREA AND THE STATE OF MINNESOTA |
| IRS990/MoreThan5000KToIndividualsInd | 0 | false |
| IRS990/MoreThan5000KToOrgInd | 0 | false |
| IRS990/NetAssetsOrFundBalancesBOYAmt | 0 | 156602 |
| IRS990/NetAssetsOrFundBalancesEOYAmt | 0 | 309705 |
| IRS990/NetGainOrLossInvestmentsGrp/ExclusionAmt | 0 | 0 |
| IRS990/NetGainOrLossInvestmentsGrp/RelatedOrExemptFuncIncomeAmt | 0 | 135 |
| IRS990/NetGainOrLossInvestmentsGrp/TotalRevenueColumnAmt | 0 | 135 |
| IRS990/NetGainOrLossInvestmentsGrp/UnrelatedBusinessRevenueAmt | 0 | 0 |
| IRS990/NetIncmFromFundraisingEvtGrp/ExclusionAmt | 0 | 22308 |
| IRS990/NetIncmFromFundraisingEvtGrp/TotalRevenueColumnAmt | 0 | 22308 |
| IRS990/NetIncmFromFundraisingEvtGrp/UnrelatedBusinessRevenueAmt | 0 | 0 |
| IRS990/NetUnrelatedBusTxblIncmAmt | 0 | 0 |
| IRS990/NoDonorRestrictionNetAssetsGrp/BOYAmt | 0 | 91981 |
| IRS990/NoDonorRestrictionNetAssetsGrp/EOYAmt | 0 | 116742 |
| IRS990/NoListedPersonsCompensatedInd | 0 | X |
| IRS990/NondeductibleContributionsInd | 0 | false |
| IRS990/OccupancyGrp/FundraisingAmt | 0 | 0 |
| IRS990/OccupancyGrp/ManagementAndGeneralAmt | 0 | 1252 |
| IRS990/OccupancyGrp/ProgramServicesAmt | 0 | 0 |
| IRS990/OccupancyGrp/TotalAmt | 0 | 1252 |
| IRS990/OfficeExpensesGrp/FundraisingAmt | 0 | 0 |
| IRS990/OfficeExpensesGrp/ManagementAndGeneralAmt | 0 | 1320 |
| IRS990/OfficeExpensesGrp/ProgramServicesAmt | 0 | 0 |
| IRS990/OfficeExpensesGrp/TotalAmt | 0 | 1320 |
| IRS990/OfficerMailingAddressInd | 0 | false |
| IRS990/OperateHospitalInd | 0 | false |
| IRS990/Organization501c3Ind | 0 | X |
| IRS990/OrganizationFollowsFASB117Ind | 0 | X |
| IRS990/OtherExpensesGrp/Desc | 0 | FIRE HALL RESTORATION |
| IRS990/OtherExpensesGrp/Desc | 1 | FUNDRAISING EXPENSE |
| IRS990/OtherExpensesGrp/Desc | 2 | SUPPLIES |
| IRS990/OtherExpensesGrp/FundraisingAmt | 0 | 0 |
| IRS990/OtherExpensesGrp/FundraisingAmt | 1 | 5478 |
| IRS990/OtherExpensesGrp/FundraisingAmt | 2 | 0 |
| IRS990/OtherExpensesGrp/ManagementAndGeneralAmt | 0 | 0 |
| IRS990/OtherExpensesGrp/ManagementAndGeneralAmt | 1 | 0 |
| IRS990/OtherExpensesGrp/ManagementAndGeneralAmt | 2 | 82 |
| IRS990/OtherExpensesGrp/ProgramServicesAmt | 0 | 35149 |
| IRS990/OtherExpensesGrp/ProgramServicesAmt | 1 | 0 |
| IRS990/OtherExpensesGrp/ProgramServicesAmt | 2 | 57 |
| IRS990/OtherExpensesGrp/TotalAmt | 0 | 35149 |
| IRS990/OtherExpensesGrp/TotalAmt | 1 | 5478 |
| IRS990/OtherExpensesGrp/TotalAmt | 2 | 139 |
| IRS990/OtherRevenueMiscGrp/BusinessCd | 0 | 900099 |
| IRS990/OtherRevenueMiscGrp/Desc | 0 | MISCELLANEOUS |
| IRS990/OtherRevenueMiscGrp/ExclusionAmt | 0 | 0 |
| IRS990/OtherRevenueMiscGrp/RelatedOrExemptFuncIncomeAmt | 0 | 715 |
| IRS990/OtherRevenueMiscGrp/TotalRevenueColumnAmt | 0 | 715 |
| IRS990/OtherRevenueMiscGrp/UnrelatedBusinessRevenueAmt | 0 | 0 |
| IRS990/OtherRevenueTotalAmt | 0 | 715 |
| IRS990/PartialLiquidationInd | 0 | false |
| IRS990/PayPremiumsPrsnlBnftCntrctInd | 0 | false |
| IRS990/PoliticalCampaignActyInd | 0 | false |
| IRS990/PrincipalOfficerNm | 0 | DIANE MEEHAN |
| IRS990/ProfessionalFundraisingInd | 0 | false |
| IRS990/ProhibitedTaxShelterTransInd | 0 | false |
| IRS990/PYContributionsGrantsAmt | 0 | 448942 |
| IRS990/PYExcessBenefitTransInd | 0 | false |
| IRS990/PYInvestmentIncomeAmt | 0 | 671 |
| IRS990/PYOtherExpensesAmt | 0 | 543446 |
| IRS990/PYOtherRevenueAmt | 0 | 19144 |
| IRS990/PYRevenuesLessExpensesAmt | 0 | -74689 |
| IRS990/PYTotalExpensesAmt | 0 | 543446 |
| IRS990/PYTotalRevenueAmt | 0 | 468757 |
| IRS990/QuidProQuoContributionsInd | 0 | false |
| IRS990/RcvFndsToPayPrsnlBnftCntrctInd | 0 | false |
| IRS990/ReconcilationRevenueExpnssAmt | 0 | 153103 |
| IRS990/RegularMonitoringEnfrcInd | 0 | true |
| IRS990/RelatedEntityInd | 0 | false |
| IRS990/RelatedOrganizationCtrlEntInd | 0 | false |
| IRS990/ReportInvestmentsOtherSecInd | 0 | false |
| IRS990/ReportLandBuildingEquipmentInd | 0 | false |
| IRS990/ReportOtherAssetsInd | 0 | false |
| IRS990/ReportOtherLiabilitiesInd | 0 | false |
| IRS990/ReportProgramRelatedInvstInd | 0 | false |
| IRS990/RevenueAmt | 0 | 193210 |
| IRS990/SavingsAndTempCashInvstGrp/BOYAmt | 0 | 123858 |
| IRS990/SavingsAndTempCashInvstGrp/EOYAmt | 0 | 274282 |
| IRS990ScheduleA/AmountsRcvdDsqlfyPersonGrp/TotalAmt | 0 | 0 |
| IRS990ScheduleA/Form990ScheduleAPartVIGrp/ExplanationTxt | 0 | Other Income Part III, Line 12 Description: MISCELLANEOUS INCOME 2022: 2354. 2023: 2360. 2024: 715. |
| IRS990ScheduleA/Form990ScheduleAPartVIGrp/FormAndLineReferenceDesc | 0 | Pt III Ln 12 |
| IRS990ScheduleA/GiftsGrantsContrisRcvd509Grp/CurrentTaxYearAmt | 0 | 28294 |
| IRS990ScheduleA/GiftsGrantsContrisRcvd509Grp/CurrentTaxYearMinus1YearAmt | 0 | 31847 |
| IRS990ScheduleA/GiftsGrantsContrisRcvd509Grp/CurrentTaxYearMinus2YearsAmt | 0 | 29562 |
| IRS990ScheduleA/GiftsGrantsContrisRcvd509Grp/TotalAmt | 0 | 89703 |
| IRS990ScheduleA/GrossInvestmentIncome509Grp/CurrentTaxYearAmt | 0 | 640 |
| IRS990ScheduleA/GrossInvestmentIncome509Grp/CurrentTaxYearMinus1YearAmt | 0 | 626 |
| IRS990ScheduleA/GrossInvestmentIncome509Grp/CurrentTaxYearMinus2YearsAmt | 0 | 341 |
| IRS990ScheduleA/GrossInvestmentIncome509Grp/TotalAmt | 0 | 1607 |
| IRS990ScheduleA/GrossReceiptsAdmissionsGrp/CurrentTaxYearAmt | 0 | 135 |
| IRS990ScheduleA/GrossReceiptsAdmissionsGrp/CurrentTaxYearMinus1YearAmt | 0 | 45 |
| IRS990ScheduleA/GrossReceiptsAdmissionsGrp/CurrentTaxYearMinus2YearsAmt | 0 | 1297 |
| IRS990ScheduleA/GrossReceiptsAdmissionsGrp/TotalAmt | 0 | 1477 |
| IRS990ScheduleA/GrossReceiptsNonUnrltBusGrp/CurrentTaxYearAmt | 0 | 22308 |
| IRS990ScheduleA/GrossReceiptsNonUnrltBusGrp/CurrentTaxYearMinus1YearAmt | 0 | 16784 |
| IRS990ScheduleA/GrossReceiptsNonUnrltBusGrp/CurrentTaxYearMinus2YearsAmt | 0 | 8853 |
| IRS990ScheduleA/GrossReceiptsNonUnrltBusGrp/TotalAmt | 0 | 47945 |
| IRS990ScheduleA/InvestmentIncomeAndUBTIGrp/CurrentTaxYearAmt | 0 | 640 |
| IRS990ScheduleA/InvestmentIncomeAndUBTIGrp/CurrentTaxYearMinus1YearAmt | 0 | 626 |
| IRS990ScheduleA/InvestmentIncomeAndUBTIGrp/CurrentTaxYearMinus2YearsAmt | 0 | 341 |
| IRS990ScheduleA/InvestmentIncomeAndUBTIGrp/TotalAmt | 0 | 1607 |
| IRS990ScheduleA/InvestmentIncomeCYPct | 0 | 0.01100 |
| IRS990ScheduleA/InvestmentIncomePYPct | 0 | 0.01030 |
| IRS990ScheduleA/OtherIncome509Grp/CurrentTaxYearAmt | 0 | 715 |
| IRS990ScheduleA/OtherIncome509Grp/CurrentTaxYearMinus1YearAmt | 0 | 2360 |
| IRS990ScheduleA/OtherIncome509Grp/CurrentTaxYearMinus2YearsAmt | 0 | 2354 |
| IRS990ScheduleA/OtherIncome509Grp/TotalAmt | 0 | 5429 |
| IRS990ScheduleA/OtherSupportSumAmt | 0 | 0 |
| IRS990ScheduleA/PubliclySupportedOrg509a2Ind | 0 | X |
| IRS990ScheduleA/PublicSupportCY170Pct | 0 | 0 |
| IRS990ScheduleA/PublicSupportCY509Pct | 0 | 0.95190 |
| IRS990ScheduleA/PublicSupportPY509Pct | 0 | 0.93960 |
| IRS990ScheduleA/PublicSupportTotal509Amt | 0 | 139125 |
| IRS990ScheduleA/SubstAndDsqlfyPrsnsTotGrp/TotalAmt | 0 | 0 |
| IRS990ScheduleA/SubstantialContributorsAmtGrp/TotalAmt | 0 | 0 |
| IRS990ScheduleA/TaxRevLeviedOrgnztnlBnft509Grp/TotalAmt | 0 | 0 |
| IRS990ScheduleA/ThirtyThrPctSuprtTestsCY509Ind | 0 | X |
| IRS990ScheduleA/Total509Grp/CurrentTaxYearAmt | 0 | 50737 |
| IRS990ScheduleA/Total509Grp/CurrentTaxYearMinus1YearAmt | 0 | 48676 |
| IRS990ScheduleA/Total509Grp/CurrentTaxYearMinus2YearsAmt | 0 | 39712 |
| IRS990ScheduleA/Total509Grp/TotalAmt | 0 | 139125 |
| IRS990ScheduleA/TotalSupportCalendarYearGrp/TotalAmt | 0 | 146161 |
| IRS990ScheduleB/ContributorInformationGrp/ContributorBusinessName/BusinessNameLine1 | 0 | RESTRICTED |
| IRS990ScheduleB/ContributorInformationGrp/ContributorNum | 0 | RESTRICTED |
| IRS990ScheduleB/ContributorInformationGrp/ContributorUSAddress/AddressLine1 | 0 | RESTRICTED |
| IRS990ScheduleB/ContributorInformationGrp/ContributorUSAddress/AddressLine2 | 0 | RESTRICTED |
| IRS990ScheduleB/ContributorInformationGrp/ContributorUSAddress/City | 0 | RESTRICTED |
| IRS990ScheduleB/ContributorInformationGrp/ContributorUSAddress/State | 0 | RESTRICTED |
| IRS990ScheduleB/ContributorInformationGrp/ContributorUSAddress/ZIPCode | 0 | RESTRICTED |
| IRS990ScheduleB/ContributorInformationGrp/TotalContributionsAmt | 0 | RESTRICTED |
| IRS990/ScheduleBRequiredInd | 0 | true |
| IRS990ScheduleD/CollectionUsedPreservationInd | 0 | X |
| IRS990ScheduleD/CollectionUsedPubExhibitionInd | 0 | X |
| IRS990ScheduleD/CollUsedScholarlyRsrchInd | 0 | X |
| IRS990ScheduleD/ExpensesSubtotalAmt | 0 | 63055 |
| IRS990ScheduleD/RevenueSubtotalAmt | 0 | 216158 |
| IRS990ScheduleD/SolicitedAssetsSaleInd | 0 | false |
| IRS990ScheduleD/SupplementalInformationDetail/ExplanationTxt | 0 | THE COLLECTION CONSISTS OF ITEMS FROM AND ABOUT THE TOWER-SOUDAN HISTORY, INCLUDING MINING ITEMS, TRAIN CARS, AND RECENTLY IMPROVEMENTS TO THE HISTORICAL FIRE HALL. |
| IRS990ScheduleD/SupplementalInformationDetail/FormAndLineReferenceDesc | 0 | Pt III, Line 4 |
| IRS990ScheduleD/TotalExpensesPerForm990Amt | 0 | 63055 |
| IRS990ScheduleD/TotalRevenuePerForm990Amt | 0 | 216158 |
| IRS990ScheduleD/TotalRevEtcAuditedFinclStmtAmt | 0 | 216158 |
| IRS990ScheduleD/TotExpnsEtcAuditedFinclStmtAmt | 0 | 63055 |
| IRS990/ScheduleJRequiredInd | 0 | false |
| IRS990/ScheduleORequiredInd | 0 | true |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 0 | THE PRESIDENT AND TREASURER REVIEW THE 990 BEFORE FILING. |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 1 | ALL DOCUMENTS ARE AVAILABLE UPON REQUEST. |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 2 | ALL BOARD MEMBERS ARE REQUIRED TO COMPLETE A CONFLICT OF INTEREST FORM ANNUALLY AND DISCLOSE ANY POTENTIAL CONFLICTS. EXECUTIVE COMMITTEE REVIEWS THE FORMS AND REFERENCES THEM WHEN MAKING DECISIONS. |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 3 | THE PRESIDENT AND TREASURER OF THE BOARD ACCEPT RESPONSIBILITY FOR THE OVERSIGHT OF THE AUDIT. |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 0 | Pt VI, Line 11b |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 1 | Pt VI, Line 19 |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 2 | Pt VI, Line 12c |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 3 | Pt XI |
| IRS990/SchoolOperatingInd | 0 | false |
| IRS990/SignificantChangeInd | 0 | false |
| IRS990/SignificantNewProgramSrvcInd | 0 | false |
| IRS990/StatesWhereCopyOfReturnIsFldCd | 0 | MN |
| IRS990/SubjectToProxyTaxInd | 0 | false |
| IRS990/TaxablePartyNotificationInd | 0 | false |
| IRS990/TaxExemptBondsInd | 0 | false |
| IRS990/TerminateOperationsInd | 0 | false |
| IRS990/TotalAssetsBOYAmt | 0 | 156602 |
| IRS990/TotalAssetsEOYAmt | 0 | 309705 |
| IRS990/TotalAssetsGrp/BOYAmt | 0 | 156602 |
| IRS990/TotalAssetsGrp/EOYAmt | 0 | 309705 |
| IRS990/TotalCompGreaterThan150KInd | 0 | false |
| IRS990/TotalContributionsAmt | 0 | 192360 |
| IRS990/TotalEmployeeCnt | 0 | 0 |
| IRS990/TotalFunctionalExpensesGrp/FundraisingAmt | 0 | 5774 |
| IRS990/TotalFunctionalExpensesGrp/ManagementAndGeneralAmt | 0 | 12903 |
| IRS990/TotalFunctionalExpensesGrp/ProgramServicesAmt | 0 | 44378 |
| IRS990/TotalFunctionalExpensesGrp/TotalAmt | 0 | 63055 |
| IRS990/TotalGrossUBIAmt | 0 | 0 |
| IRS990/TotalLiabilitiesEOYAmt | 0 | 0 |
| IRS990/TotalLiabilitiesGrp/BOYAmt | 0 | 0 |
| IRS990/TotalLiabilitiesGrp/EOYAmt | 0 | 0 |
| IRS990/TotalNetAssetsFundBalanceGrp/BOYAmt | 0 | 156602 |
| IRS990/TotalNetAssetsFundBalanceGrp/EOYAmt | 0 | 309705 |
| IRS990/TotalProgramServiceExpensesAmt | 0 | 44378 |
| IRS990/TotalRevenueGrp/ExclusionAmt | 0 | 22948 |
| IRS990/TotalRevenueGrp/RelatedOrExemptFuncIncomeAmt | 0 | 850 |
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