Liabilities / Assets
10th percentile
Higher debt load relative to assets than 10% of similar nonprofits.
EIN 39-0875968 • 501(c)3 • Wausau, WI
Profile
To foster and promote the study of the history of marathon county and the surrounding area, and in connection therewith, to collect, preserve, and display historical records, documents, and objects for future generations.
Precomputed percentiles relative to similar nonprofits. These scores are descriptive rather than judgmental.
Liabilities / Assets
10th percentile
Higher debt load relative to assets than 10% of similar nonprofits.
Liabilities / Revenue
10th percentile
Higher debt load relative to revenue than 10% of similar nonprofits.
Net Margin
96th percentile
Higher net margin than 96% of similar nonprofits.
Top Officer Pay
19th percentile
Higher top officer pay than 19% of similar nonprofits.
Top officer pay equals 1.3% of source-year revenue.
Asset Growth
86th percentile
Faster asset growth than 86% of similar nonprofits.
Revenue Growth
99th percentile
Faster revenue growth than 99% of similar nonprofits.
Assets
Up$14,011,844
Up $3,137,854 (+29%) from 2023
Liabilities
Up$27,746
Up $9,323 (+51%) from 2023
Net Assets
Up$13,984,098
Up $3,128,531 (+29%) from 2023
Revenue
Up$3,237,587
Up $2,838,180 (+711%) from 2023
Expenses
Up$656,885
Up $3,674 (+0.6%) from 2023
Net Income
Up$2,580,702
Up $2,834,506 (+1117%) from 2023
Most recent year
2024 • Form 990Facts available. Structured filing facts are available, but richer extracted sections are limited.
To foster and promote the study of the history of marathon county and the surrounding area, and in connection therewith, to collect, preserve, and display historical records, documents, and objects for future generations.
| Line | Beginning | End | Change |
|---|---|---|---|
| Assets | |||
| Investments in Publicly Traded Securities | $6,965,571 | $6,333,654 | ▼ $631,917 |
| Savings and Temporary Cash Investments | $433,829 | $3,697,560 | ▲ $3,263,731 |
| Land, Buildings, and Equipment, Net | $3,370,415 | $3,292,554 | ▼ $77,861 |
| Pledges and Grants Receivable | - | $636,638 | - |
| Cash and Non-Interest-Bearing Accounts | $83,680 | $51,438 | ▼ $32,242 |
| Accounts Receivable | $20,495 | - | - |
| Total Assets | $10,873,990 | $14,011,844 | ▲ $3,137,854 |
| Liabilities | |||
| Deferred Revenue | $14,115 | $14,115 | → $0 |
| Accounts Payable and Accrued Expenses | $4,308 | $13,631 | ▲ $9,323 |
| Total Liabilities | $18,423 | $27,746 | ▲ $9,323 |
| Net Assets / Fund Balance | |||
| Net Assets With Donor Restrictions | $7,228,289 | $10,473,801 | ▲ $3,245,512 |
| Net Assets Without Donor Restrictions | $3,627,278 | $3,510,297 | ▼ $116,981 |
| Total Net Assets Fund Balance | $10,855,567 | $13,984,098 | ▲ $3,128,531 |
| Total Liabilities and Net Assets / Fund Balance | $10,873,990 | $14,011,844 | ▲ $3,137,854 |
| Asset | Book Value | Depreciation | Basis |
|---|---|---|---|
| Buildings | $3,013,013 | $1,366,615 | $4,379,628 |
| Other Land Buildings | $110,056 | $64,458 | $174,514 |
| Land | $150,474 | - | $150,474 |
| Equipment | $19,011 | $54,527 | $73,538 |
| Period | Beginning | Contrib. | Gain/Loss | Other Uses | End |
|---|---|---|---|---|---|
| 2024 | $6,965,571 | - | ▲ $692,184 | $-1,259,000 | $6,333,654 |
| 2023 | $6,186,199 | $144,645 | ▲ $932,968 | $-206,000 | $6,965,571 |
| 2022 | $7,427,019 | - | ▼ $1,008,620 | $-174,000 | $6,186,199 |
| 2021 | $6,705,782 | - | ▲ $940,064 | $-157,982 | $7,427,019 |
| 2020 | $5,834,814 | - | ▲ $1,056,039 | $-131,000 | $6,705,782 |
| Name | Title | Full / Part Time | Base | Total |
|---|---|---|---|---|
| Blake Opal-wahoske | Executive Di | FT | $41,250 | $41,250 |
| Mary Forer | Executive Di | PT | $18,334 | $18,334 |
| Name | Title |
|---|---|
| Russ Wilson | President |
| Andrew Dudley Shannon | Director |
| Bill Bertram | Director |
| Brett Barker | Director |
| Brian Williams | Director |
| Dorothy Maxfield | Director |
| Duwayne Zamzow | Director |
| Greg Huber | Director |
| Jane Janke Johnson | Director |
| Laurel Hoffmann | Director |
| Richard Lohr | Director |
| Sam Cripps | Director |
| Sandi Cihlar | Director |
| Steve Miller | Secretary |
| Patrick Gosz | Treasurer |
| John Hattenhauer | Vice Preside |
| Line Item | Amount |
|---|---|
| Other Expenses | $385,697 |
| Salaries, Compensation, and Employee Benefits | $271,188 |
| Grants and Similar Amounts Paid | $0 |
| Professional Fundraising Fees | $0 |
| Total Fundraising Expense | $0 |
| Line Item | Program | Management | Fundraising | Total |
|---|---|---|---|---|
| Other Salaries and Wages | $144,000 | $48,001 | - | $192,001 |
| Occupancy | $49,886 | $49,886 | - | $99,772 |
| Depreciation Depletion | $83,325 | $3,472 | - | $86,797 |
| Fees for Service Investment Mgmnt Fees | - | $65,101 | - | $65,101 |
| Current Officers, Directors, Trustees, and Key Employees | $44,689 | $14,895 | - | $59,584 |
| Insurance | $20,308 | $628 | - | $20,936 |
| Payroll Taxes | $14,702 | $4,901 | - | $19,603 |
| Fees for Services Other | $13,270 | - | - | $13,270 |
| Office Expenses | $5,803 | $3,608 | - | $9,411 |
| Fees for Services Accounting | - | $7,900 | - | $7,900 |
| Information Technology | $3,913 | $3,913 | - | $7,826 |
| Advertising | $3,830 | $3,830 | - | $7,660 |
| Other Expenses | $3,804 | $3,268 | - | $3,804 |
| Conferences and Meetings | - | $2,277 | - | $2,277 |
| Travel | - | $1,765 | - | $1,765 |
| Total Functional Expenses | $432,245 | $224,640 | $0 | $656,885 |
| Line Item | Amount |
|---|---|
| Total Expenses per Form 990 | $656,885 |
| Expenses per Audited Statements | $591,784 |
| Total Expenses per Audited Statements | $591,784 |
| Expenses Not Reported on Financial Statements | $65,101 |
| Line Item | Amount |
|---|---|
| Professional Fundraising Fees | $0 |
“This form is reviewed by the treasurer before filing.”
“The organization's executive director and board officers monitor on an annual basis.”
“Disclosure of the organization's documents are made available to the public upon request.”
“The endowment funds are maintained for future maintenance and repairs on historical properties owned by the organization, educational events and programs, and for the future acquisition of assets that will further commemorate the history of marathon county.”
“The organization is a charitable organization under section 501(c)(3) of the internal revenue code, and thus is exempt from income taxes. The entity is also exempt from wisconsin income taxes. Gifts, grants and bequests are deductible by donors within limitations of the internal revenue code. The organization is subject to a tax on income from any unrelated activities. No unrelated activities were identified in the current year. The organization continually evaluates its tax positions, changes in tax law and new authoritative rulings for potential implications to its tax status.”
This appendix keeps the raw XML leaves available for debugging and edge-case review. The human report above is the primary experience.
| Path | # | Value |
|---|---|---|
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| IRS990/AccountsPayableAccrExpnssGrp/BOYAmt | 0 | 4308 |
| IRS990/AccountsPayableAccrExpnssGrp/EOYAmt | 0 | 13631 |
| IRS990/AccountsReceivableGrp/BOYAmt | 0 | 20495 |
| IRS990/ActivitiesConductedPrtshpInd | 0 | false |
| IRS990/ActivityOrMissionDesc | 0 | TO FOSTER AND PROMOTE THE STUDY OF THE HISTORY OF MARATHON COUNTY AND THE SURROUNDING AREA, AND IN CONNECTION THEREWITH, TO COLLECT, PRESERVE, AND DISPLAY HISTORICAL RECORDS, DOCUMENTS, AND OBJECTS FOR FUTURE GENERATIONS. |
| IRS990/AdvertisingGrp/ManagementAndGeneralAmt | 0 | 3830 |
| IRS990/AdvertisingGrp/ProgramServicesAmt | 0 | 3830 |
| IRS990/AdvertisingGrp/TotalAmt | 0 | 7660 |
| IRS990/AllOtherContributionsAmt | 0 | 2897828 |
| IRS990/AnnualDisclosureCoveredPrsnInd | 0 | true |
| IRS990/AuditCommitteeInd | 0 | true |
| IRS990/BackupWthldComplianceInd | 0 | true |
| IRS990/BooksInCareOfDetail/PersonNm | 0 | BLAKE OPAL-WAHOSKE |
| IRS990/BooksInCareOfDetail/PhoneNum | 0 | 7158425750 |
| IRS990/BooksInCareOfDetail/USAddress/AddressLine1Txt | 0 | 410 MCINDOE STREET |
| IRS990/BooksInCareOfDetail/USAddress/CityNm | 0 | WAUSAU |
| IRS990/BooksInCareOfDetail/USAddress/StateAbbreviationCd | 0 | WI |
| IRS990/BooksInCareOfDetail/USAddress/ZIPCd | 0 | 54403 |
| IRS990/BusinessRlnWith35CtrlEntInd | 0 | false |
| IRS990/BusinessRlnWithFamMemInd | 0 | false |
| IRS990/BusinessRlnWithOrgMemInd | 0 | false |
| IRS990/CashNonInterestBearingGrp/BOYAmt | 0 | 83680 |
| IRS990/CashNonInterestBearingGrp/EOYAmt | 0 | 51438 |
| IRS990/ChangeToOrgDocumentsInd | 0 | false |
| IRS990/CollectionsOfArtInd | 0 | true |
| IRS990/CompCurrentOfcrDirectorsGrp/ManagementAndGeneralAmt | 0 | 14895 |
| IRS990/CompCurrentOfcrDirectorsGrp/ProgramServicesAmt | 0 | 44689 |
| IRS990/CompCurrentOfcrDirectorsGrp/TotalAmt | 0 | 59584 |
| IRS990/CompensationFromOtherSrcsInd | 0 | false |
| IRS990/CompensationProcessCEOInd | 0 | false |
| IRS990/CompensationProcessOtherInd | 0 | false |
| IRS990/ConferencesMeetingsGrp/ManagementAndGeneralAmt | 0 | 2277 |
| IRS990/ConferencesMeetingsGrp/TotalAmt | 0 | 2277 |
| IRS990/ConflictOfInterestPolicyInd | 0 | true |
| IRS990/ConservationEasementsInd | 0 | false |
| IRS990/ConsolidatedAuditFinclStmtInd | 0 | false |
| IRS990/CreditCounselingInd | 0 | false |
| IRS990/CYBenefitsPaidToMembersAmt | 0 | 0 |
| IRS990/CYContributionsGrantsAmt | 0 | 3000296 |
| IRS990/CYGrantsAndSimilarPaidAmt | 0 | 0 |
| IRS990/CYInvestmentIncomeAmt | 0 | 210268 |
| IRS990/CYOtherExpensesAmt | 0 | 385697 |
| IRS990/CYOtherRevenueAmt | 0 | 6976 |
| IRS990/CYProgramServiceRevenueAmt | 0 | 20047 |
| IRS990/CYRevenuesLessExpensesAmt | 0 | 2580702 |
| IRS990/CYSalariesCompEmpBnftPaidAmt | 0 | 271188 |
| IRS990/CYTotalExpensesAmt | 0 | 656885 |
| IRS990/CYTotalFundraisingExpenseAmt | 0 | 0 |
| IRS990/CYTotalProfFndrsngExpnsAmt | 0 | 0 |
| IRS990/CYTotalRevenueAmt | 0 | 3237587 |
| IRS990/DecisionsSubjectToApprovaInd | 0 | false |
| IRS990/DeductibleArtContributionInd | 0 | false |
| IRS990/DeductibleNonCashContriInd | 0 | false |
| IRS990/DeferredRevenueGrp/BOYAmt | 0 | 14115 |
| IRS990/DeferredRevenueGrp/EOYAmt | 0 | 14115 |
| IRS990/DelegationOfMgmtDutiesInd | 0 | false |
| IRS990/DepreciationDepletionGrp/ManagementAndGeneralAmt | 0 | 3472 |
| IRS990/DepreciationDepletionGrp/ProgramServicesAmt | 0 | 83325 |
| IRS990/DepreciationDepletionGrp/TotalAmt | 0 | 86797 |
| IRS990/Desc | 0 | MUSEUM EXHIBITS & PROGRAMS PROVIDE EDUCATION BOTH WITHIN THE MUSEUM & AT OUTSIDE LOCATIONS. EXPENSES INCLUDE COSTS FOR: LECTURES, TOURS, MOVIES, SLIDE SHOWS, TRAVEL, ARTIFACTS, AND RESEARCH. |
| IRS990/DescribedInSection501c3Ind | 0 | true |
| IRS990/DisregardedEntityInd | 0 | false |
| IRS990/DocumentRetentionPolicyInd | 0 | true |
| IRS990/DonorAdvisedFundInd | 0 | false |
| IRS990/DonorRestrictionNetAssetsGrp/BOYAmt | 0 | 7228289 |
| IRS990/DonorRestrictionNetAssetsGrp/EOYAmt | 0 | 10473801 |
| IRS990/DonorRstrOrQuasiEndowmentsInd | 0 | true |
| IRS990/ElectionOfBoardMembersInd | 0 | false |
| IRS990/EmployeeCnt | 0 | 24 |
| IRS990/EmploymentTaxReturnsFiledInd | 0 | true |
| IRS990/EngagedInExcessBenefitTransInd | 0 | false |
| IRS990/ExpenseAmt | 0 | 432245 |
| IRS990/FamilyOrBusinessRlnInd | 0 | false |
| IRS990/FederalGrantAuditRequiredInd | 0 | false |
| IRS990/FeesForServicesAccountingGrp/ManagementAndGeneralAmt | 0 | 7900 |
| IRS990/FeesForServicesAccountingGrp/TotalAmt | 0 | 7900 |
| IRS990/FeesForServicesOtherGrp/ProgramServicesAmt | 0 | 13270 |
| IRS990/FeesForServicesOtherGrp/TotalAmt | 0 | 13270 |
| IRS990/FeesForSrvcInvstMgmntFeesGrp/ManagementAndGeneralAmt | 0 | 65101 |
| IRS990/FeesForSrvcInvstMgmntFeesGrp/TotalAmt | 0 | 65101 |
| IRS990/ForeignActivitiesInd | 0 | false |
| IRS990/ForeignFinancialAccountInd | 0 | false |
| IRS990/ForeignOfficeInd | 0 | false |
| IRS990/Form8282PropertyDisposedOfInd | 0 | false |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 0 | 40.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 1 | 21.50 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 2 | 0.25 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 3 | 0.25 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 4 | 0.25 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 5 | 0.25 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 6 | 0.25 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 7 | 0.25 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 8 | 0.25 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 9 | 0.25 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 10 | 0.25 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 11 | 0.25 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 12 | 0.25 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 13 | 0.25 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 14 | 0.25 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 15 | 0.25 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 16 | 0.25 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 17 | 0.25 |
| 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/IndividualTrusteeOrDirectorInd | 14 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 15 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 16 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 17 | X |
| IRS990/Form990PartVIISectionAGrp/OfficerInd | 0 | X |
| IRS990/Form990PartVIISectionAGrp/OfficerInd | 1 | X |
| IRS990/Form990PartVIISectionAGrp/OfficerInd | 2 | X |
| IRS990/Form990PartVIISectionAGrp/OfficerInd | 3 | X |
| IRS990/Form990PartVIISectionAGrp/OfficerInd | 4 | X |
| IRS990/Form990PartVIISectionAGrp/OfficerInd | 5 | 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 |
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| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 12 | 0 |
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| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 14 | 0 |
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| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 17 | 0 |
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| IRS990/Form990PartVIISectionAGrp/PersonNm | 1 | MARY FORER |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 2 | BRETT BARKER |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 3 | BILL BERTRAM |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 4 | SANDI CIHLAR |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 5 | SAM CRIPPS |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 6 | PATRICK GOSZ |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 7 | JOHN HATTENHAUER |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 8 | LAUREL HOFFMANN |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 9 | GREG HUBER |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 10 | JANE JANKE JOHNSON |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 11 | RICHARD LOHR |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 12 | DOROTHY MAXFIELD |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 13 | STEVE MILLER |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 14 | ANDREW DUDLEY SHANNON |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 15 | BRIAN WILLIAMS |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 16 | RUSS WILSON |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 17 | DUWAYNE ZAMZOW |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 0 | 41250 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 1 | 18334 |
| 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/ReportableCompFromOrgAmt | 14 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 15 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 16 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 17 | 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/ReportableCompFromRltdOrgAmt | 14 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 15 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 16 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 17 | 0 |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 0 | EXECUTIVE DI |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 1 | EXECUTIVE DI |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 2 | DIRECTOR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 3 | DIRECTOR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 4 | DIRECTOR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 5 | DIRECTOR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 6 | TREASURER |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 7 | VICE PRESIDE |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 8 | DIRECTOR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 9 | DIRECTOR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 10 | DIRECTOR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 11 | DIRECTOR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 12 | DIRECTOR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 13 | SECRETARY |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 14 | DIRECTOR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 15 | DIRECTOR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 16 | PRESIDENT |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 17 | DIRECTOR |
| IRS990/Form990ProvidedToGvrnBodyInd | 0 | true |
| IRS990/FormationYr | 0 | 1952 |
| IRS990/FormerOfcrEmployeesListedInd | 0 | false |
| IRS990/FSAuditedBasisGrp/SeparateBasisFinclStmtInd | 0 | X |
| IRS990/FSAuditedInd | 0 | true |
| IRS990/FundraisingActivitiesInd | 0 | false |
| IRS990/GamingActivitiesInd | 0 | false |
| IRS990/GoverningBodyVotingMembersCnt | 0 | 16 |
| IRS990/GovernmentGrantsAmt | 0 | 74871 |
| IRS990/GrantsToIndividualsInd | 0 | false |
| IRS990/GrantsToOrganizationsInd | 0 | false |
| IRS990/GrantToRelatedPersonInd | 0 | false |
| IRS990/GrossReceiptsAmt | 0 | 3237587 |
| IRS990/GrossRentsGrp/RealAmt | 0 | 6795 |
| IRS990/GroupReturnForAffiliatesInd | 0 | false |
| IRS990/IncludeFIN48FootnoteInd | 0 | true |
| IRS990/IndependentAuditFinclStmtInd | 0 | true |
| IRS990/IndependentVotingMemberCnt | 0 | 16 |
| IRS990/IndoorTanningServicesInd | 0 | false |
| IRS990/InfoInScheduleOPartVIInd | 0 | X |
| IRS990/InformationTechnologyGrp/ManagementAndGeneralAmt | 0 | 3913 |
| IRS990/InformationTechnologyGrp/ProgramServicesAmt | 0 | 3913 |
| IRS990/InformationTechnologyGrp/TotalAmt | 0 | 7826 |
| IRS990/InsuranceGrp/ManagementAndGeneralAmt | 0 | 628 |
| IRS990/InsuranceGrp/ProgramServicesAmt | 0 | 20308 |
| IRS990/InsuranceGrp/TotalAmt | 0 | 20936 |
| IRS990/InvestmentIncomeGrp/RelatedOrExemptFuncIncomeAmt | 0 | 210268 |
| IRS990/InvestmentIncomeGrp/TotalRevenueColumnAmt | 0 | 210268 |
| IRS990/InvestmentInJointVentureInd | 0 | false |
| IRS990/InvestmentsPubTradedSecGrp/BOYAmt | 0 | 6965571 |
| IRS990/InvestmentsPubTradedSecGrp/EOYAmt | 0 | 6333654 |
| IRS990/IRPDocumentCnt | 0 | 10 |
| IRS990/IRPDocumentW2GCnt | 0 | 0 |
| IRS990/LandBldgEquipAccumDeprecAmt | 0 | 1485600 |
| IRS990/LandBldgEquipBasisNetGrp/BOYAmt | 0 | 3370415 |
| IRS990/LandBldgEquipBasisNetGrp/EOYAmt | 0 | 3292554 |
| IRS990/LandBldgEquipCostOrOtherBssAmt | 0 | 4778154 |
| IRS990/LegalDomicileStateCd | 0 | WI |
| IRS990/LoanOutstandingInd | 0 | false |
| IRS990/LobbyingActivitiesInd | 0 | false |
| IRS990/LocalChaptersInd | 0 | false |
| IRS990/MaterialDiversionOrMisuseInd | 0 | false |
| IRS990/MembershipDuesAmt | 0 | 27597 |
| IRS990/MembersOrStockholdersInd | 0 | false |
| IRS990/MethodOfAccountingAccrualInd | 0 | X |
| IRS990/MinutesOfCommitteesInd | 0 | true |
| IRS990/MinutesOfGoverningBodyInd | 0 | true |
| IRS990/MissionDesc | 0 | TO FOSTER AND PROMOTE THE STUDY OF THE HISTORY OF MARATHON COUNTY AND THE SURROUNDING AREA, AND IN CONNECTION THEREWITH, TO COLLECT, PRESERVE, AND DISPLAY HISTORICAL RECORDS, DOCUMENTS, AND OBJECTS FOR FUTURE GENERATIONS. |
| IRS990/MoreThan5000KToIndividualsInd | 0 | false |
| IRS990/MoreThan5000KToOrgInd | 0 | false |
| IRS990/NetAssetsOrFundBalancesBOYAmt | 0 | 10855567 |
| IRS990/NetAssetsOrFundBalancesEOYAmt | 0 | 13984098 |
| IRS990/NetRentalIncomeOrLossGrp/RelatedOrExemptFuncIncomeAmt | 0 | 6795 |
| IRS990/NetRentalIncomeOrLossGrp/TotalRevenueColumnAmt | 0 | 6795 |
| IRS990/NetUnrlzdGainsLossesInvstAmt | 0 | 547829 |
| IRS990/NoDonorRestrictionNetAssetsGrp/BOYAmt | 0 | 3627278 |
| IRS990/NoDonorRestrictionNetAssetsGrp/EOYAmt | 0 | 3510297 |
| IRS990/NondeductibleContributionsInd | 0 | false |
| IRS990/OccupancyGrp/ManagementAndGeneralAmt | 0 | 49886 |
| IRS990/OccupancyGrp/ProgramServicesAmt | 0 | 49886 |
| IRS990/OccupancyGrp/TotalAmt | 0 | 99772 |
| IRS990/OfficeExpensesGrp/ManagementAndGeneralAmt | 0 | 3608 |
| IRS990/OfficeExpensesGrp/ProgramServicesAmt | 0 | 5803 |
| IRS990/OfficeExpensesGrp/TotalAmt | 0 | 9411 |
| IRS990/OfficerMailingAddressInd | 0 | false |
| IRS990/OperateHospitalInd | 0 | false |
| IRS990/Organization501c3Ind | 0 | X |
| IRS990/OrganizationFollowsFASB117Ind | 0 | X |
| IRS990/OtherExpensesGrp/Desc | 0 | EXHIBITS/ PROGRAMS |
| IRS990/OtherExpensesGrp/Desc | 1 | EQUIPMENT |
| IRS990/OtherExpensesGrp/Desc | 2 | MISCELLANEOUS |
| IRS990/OtherExpensesGrp/Desc | 3 | DUES AND SUBSCRIPTIONS |
| IRS990/OtherExpensesGrp/ManagementAndGeneralAmt | 0 | 11195 |
| IRS990/OtherExpensesGrp/ManagementAndGeneralAmt | 1 | 3268 |
| IRS990/OtherExpensesGrp/ProgramServicesAmt | 0 | 30252 |
| IRS990/OtherExpensesGrp/ProgramServicesAmt | 1 | 11195 |
| IRS990/OtherExpensesGrp/ProgramServicesAmt | 2 | 3268 |
| IRS990/OtherExpensesGrp/ProgramServicesAmt | 3 | 3804 |
| IRS990/OtherExpensesGrp/TotalAmt | 0 | 30252 |
| IRS990/OtherExpensesGrp/TotalAmt | 1 | 22390 |
| IRS990/OtherExpensesGrp/TotalAmt | 2 | 6536 |
| IRS990/OtherExpensesGrp/TotalAmt | 3 | 3804 |
| IRS990/OtherRevenueMiscGrp/Desc | 0 | MISCELLANEOUS |
| IRS990/OtherRevenueMiscGrp/RelatedOrExemptFuncIncomeAmt | 0 | 181 |
| IRS990/OtherRevenueMiscGrp/TotalRevenueColumnAmt | 0 | 181 |
| IRS990/OtherRevenueTotalAmt | 0 | 181 |
| IRS990/OtherSalariesAndWagesGrp/ManagementAndGeneralAmt | 0 | 48001 |
| IRS990/OtherSalariesAndWagesGrp/ProgramServicesAmt | 0 | 144000 |
| IRS990/OtherSalariesAndWagesGrp/TotalAmt | 0 | 192001 |
| IRS990/OtherWebsiteInd | 0 | X |
| IRS990/PartialLiquidationInd | 0 | false |
| IRS990/PayPremiumsPrsnlBnftCntrctInd | 0 | false |
| IRS990/PayrollTaxesGrp/ManagementAndGeneralAmt | 0 | 4901 |
| IRS990/PayrollTaxesGrp/ProgramServicesAmt | 0 | 14702 |
| IRS990/PayrollTaxesGrp/TotalAmt | 0 | 19603 |
| IRS990/PledgesAndGrantsReceivableGrp/EOYAmt | 0 | 636638 |
| IRS990/PoliticalCampaignActyInd | 0 | false |
| IRS990/PrincipalOfficerNm | 0 | RUSS WILSON |
| IRS990/ProfessionalFundraisingInd | 0 | false |
| IRS990/ProgramServiceRevenueGrp/Desc | 0 | VARIOUS PROGRAMS |
| IRS990/ProgramServiceRevenueGrp/RelatedOrExemptFuncIncomeAmt | 0 | 20047 |
| IRS990/ProgramServiceRevenueGrp/TotalRevenueColumnAmt | 0 | 20047 |
| IRS990/ProhibitedTaxShelterTransInd | 0 | false |
| IRS990/PYContributionsGrantsAmt | 0 | 219756 |
| IRS990/PYExcessBenefitTransInd | 0 | false |
| IRS990/PYInvestmentIncomeAmt | 0 | 147122 |
| IRS990/PYOtherExpensesAmt | 0 | 426460 |
| IRS990/PYOtherRevenueAmt | 0 | 11828 |
| IRS990/PYProgramServiceRevenueAmt | 0 | 20701 |
| IRS990/PYRevenuesLessExpensesAmt | 0 | -253804 |
| IRS990/PYSalariesCompEmpBnftPaidAmt | 0 | 226751 |
| IRS990/PYTotalExpensesAmt | 0 | 653211 |
| IRS990/PYTotalRevenueAmt | 0 | 399407 |
| IRS990/QuidProQuoContributionsInd | 0 | false |
| IRS990/RcvFndsToPayPrsnlBnftCntrctInd | 0 | false |
| IRS990/ReconcilationRevenueExpnssAmt | 0 | 2580702 |
| IRS990/RegularMonitoringEnfrcInd | 0 | true |
| IRS990/RelatedEntityInd | 0 | false |
| IRS990/RelatedOrganizationCtrlEntInd | 0 | false |
| IRS990/RentalIncomeOrLossGrp/RealAmt | 0 | 6795 |
| IRS990/ReportInvestmentsOtherSecInd | 0 | false |
| IRS990/ReportLandBuildingEquipmentInd | 0 | true |
| IRS990/ReportOtherAssetsInd | 0 | false |
| IRS990/ReportOtherLiabilitiesInd | 0 | false |
| IRS990/ReportProgramRelatedInvstInd | 0 | false |
| IRS990/SavingsAndTempCashInvstGrp/BOYAmt | 0 | 433829 |
| IRS990/SavingsAndTempCashInvstGrp/EOYAmt | 0 | 3697560 |
| IRS990ScheduleA/Form990ScheduleAPartVIGrp/ExplanationTxt | 0 | GROSS RENTS 31,661 |
| IRS990ScheduleA/Form990ScheduleAPartVIGrp/FormAndLineReferenceDesc | 0 | PART II, LINE 10 |
| IRS990ScheduleA/GiftsGrantsContriRcvd170Grp/CurrentTaxYearAmt | 0 | 3000296 |
| IRS990ScheduleA/GiftsGrantsContriRcvd170Grp/CurrentTaxYearMinus1YearAmt | 0 | 219756 |
| IRS990ScheduleA/GiftsGrantsContriRcvd170Grp/CurrentTaxYearMinus2YearsAmt | 0 | 256844 |
| IRS990ScheduleA/GiftsGrantsContriRcvd170Grp/CurrentTaxYearMinus3YearsAmt | 0 | 275772 |
| IRS990ScheduleA/GiftsGrantsContriRcvd170Grp/CurrentTaxYearMinus4YearsAmt | 0 | 237840 |
| IRS990ScheduleA/GiftsGrantsContriRcvd170Grp/TotalAmt | 0 | 3990508 |
| IRS990ScheduleA/GrossInvestmentIncome170Grp/CurrentTaxYearAmt | 0 | 10245 |
| IRS990ScheduleA/GrossInvestmentIncome170Grp/CurrentTaxYearMinus1YearAmt | 0 | 2297 |
| IRS990ScheduleA/GrossInvestmentIncome170Grp/CurrentTaxYearMinus2YearsAmt | 0 | 799 |
| IRS990ScheduleA/GrossInvestmentIncome170Grp/CurrentTaxYearMinus3YearsAmt | 0 | 286 |
| IRS990ScheduleA/GrossInvestmentIncome170Grp/CurrentTaxYearMinus4YearsAmt | 0 | 305 |
| IRS990ScheduleA/GrossInvestmentIncome170Grp/TotalAmt | 0 | 13932 |
| IRS990ScheduleA/GrossReceiptsRltdActivitiesAmt | 0 | 858646 |
| IRS990ScheduleA/OtherIncome170Grp/CurrentTaxYearAmt | 0 | 6795 |
| IRS990ScheduleA/OtherIncome170Grp/CurrentTaxYearMinus1YearAmt | 0 | 9775 |
| IRS990ScheduleA/OtherIncome170Grp/CurrentTaxYearMinus2YearsAmt | 0 | 10074 |
| IRS990ScheduleA/OtherIncome170Grp/CurrentTaxYearMinus3YearsAmt | 0 | 1807 |
| IRS990ScheduleA/OtherIncome170Grp/CurrentTaxYearMinus4YearsAmt | 0 | 3210 |
| IRS990ScheduleA/OtherIncome170Grp/TotalAmt | 0 | 31661 |
| IRS990ScheduleA/PublicOrganization170Ind | 0 | X |
| IRS990ScheduleA/PublicSupportCY170Pct | 0 | 0.39840 |
| IRS990ScheduleA/PublicSupportPY170Pct | 0 | 0.78860 |
| IRS990ScheduleA/PublicSupportTotal170Amt | 0 | 1608062 |
| IRS990ScheduleA/SubstantialContributorsTotAmt | 0 | 2382446 |
| IRS990ScheduleA/ThirtyThrPctSuprtTestsCY170Ind | 0 | X |
| IRS990ScheduleA/TotalCalendarYear170Grp/CurrentTaxYearAmt | 0 | 3000296 |
| IRS990ScheduleA/TotalCalendarYear170Grp/CurrentTaxYearMinus1YearAmt | 0 | 219756 |
| IRS990ScheduleA/TotalCalendarYear170Grp/CurrentTaxYearMinus2YearsAmt | 0 | 256844 |
| IRS990ScheduleA/TotalCalendarYear170Grp/CurrentTaxYearMinus3YearsAmt | 0 | 275772 |
| IRS990ScheduleA/TotalCalendarYear170Grp/CurrentTaxYearMinus4YearsAmt | 0 | 237840 |
| IRS990ScheduleA/TotalCalendarYear170Grp/TotalAmt | 0 | 3990508 |
| IRS990ScheduleA/TotalSupportAmt | 0 | 4036101 |
| 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/BuildingsGrp/BookValueAmt | 0 | 3013013 |
| IRS990ScheduleD/BuildingsGrp/DepreciationAmt | 0 | 1366615 |
| IRS990ScheduleD/BuildingsGrp/OtherCostOrOtherBasisAmt | 0 | 4379628 |
| IRS990ScheduleD/CYEndwmtFundGrp/AdministrativeExpensesAmt | 0 | -65101 |
| IRS990ScheduleD/CYEndwmtFundGrp/BeginningYearBalanceAmt | 0 | 6965571 |
| IRS990ScheduleD/CYEndwmtFundGrp/EndYearBalanceAmt | 0 | 6333654 |
| IRS990ScheduleD/CYEndwmtFundGrp/InvestmentEarningsOrLossesAmt | 0 | 692184 |
| IRS990ScheduleD/CYEndwmtFundGrp/OtherExpendituresAmt | 0 | -1259000 |
| IRS990ScheduleD/CYMinus1YrEndwmtFundGrp/AdministrativeExpensesAmt | 0 | -92241 |
| IRS990ScheduleD/CYMinus1YrEndwmtFundGrp/BeginningYearBalanceAmt | 0 | 6186199 |
| IRS990ScheduleD/CYMinus1YrEndwmtFundGrp/ContributionsAmt | 0 | 144645 |
| IRS990ScheduleD/CYMinus1YrEndwmtFundGrp/EndYearBalanceAmt | 0 | 6965571 |
| IRS990ScheduleD/CYMinus1YrEndwmtFundGrp/InvestmentEarningsOrLossesAmt | 0 | 932968 |
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