Liabilities / Assets
12th percentile
Higher debt load relative to assets than 12% of similar nonprofits.
990 • Fiscal year 2020 • EIN 22-3125202
Precomputed percentiles for this filing year versus similar nonprofits in the same peer cohort.
Liabilities / Assets
12th percentile
Higher debt load relative to assets than 12% of similar nonprofits.
Liabilities / Revenue
10th percentile
Higher debt load relative to revenue than 10% of similar nonprofits.
Net Margin
80th percentile
Higher net margin than 80% of similar nonprofits.
Top Officer Pay
28th percentile
Higher top officer pay than 28% of similar nonprofits.
Top officer pay equals 0.0% of source-year revenue.
Asset Growth
54th percentile
Faster asset growth than 54% of similar nonprofits.
Revenue Growth
55th percentile
Faster revenue growth than 55% of similar nonprofits.
Assets
Up$7,623,617
Up $325,192 (+4.5%) from 2019
Net Assets
Up$7,619,399
Up $332,389 (+4.6%) from 2019
Liabilities
Down$4,218
Down $7,197 (-63%) from 2019
Revenue
Down$955,504
Down $52,475 (-5.2%) from 2019
Expenses
Down$623,115
Down $16,842 (-2.6%) from 2019
Net Income
Down$332,389
Down $35,633 (-9.7%) from 2019
The sterling hill mining museum is dedicated to the preservation, interpretation, understanding, and appreciation of the history of mining, mining technology, mineralogy, and geology unique to the state of new jersey through scientific research and educational programs.
| Line | Beginning | End | Change |
|---|---|---|---|
| Assets | |||
| Savings and Temporary Cash Investments | $2,911,781 | $3,233,770 | ▲ $321,989 |
| Land, Buildings, and Equipment, Net | $1,909,116 | $1,891,043 | ▼ $18,073 |
| Inventories for Sale or Use | $95,917 | $106,431 | ▲ $10,514 |
| Total Assets | $7,298,425 | $7,623,617 | ▲ $325,192 |
| Other Assets Total | $2,381,611 | $2,392,373 | ▲ $10,762 |
| Liabilities | |||
| Other Liabilities | $3,360 | $3,360 | → $0 |
| Accounts Payable and Accrued Expenses | $8,055 | $858 | ▼ $7,197 |
| Total Liabilities | $11,415 | $4,218 | ▼ $7,197 |
| Net Assets / Fund Balance | |||
| Net Assets Without Donor Restrictions | $5,007,079 | $5,355,490 | ▲ $348,411 |
| Net Assets With Donor Restrictions | $2,279,931 | $2,263,909 | ▼ $16,022 |
| Total Net Assets Fund Balance | $7,287,010 | $7,619,399 | ▲ $332,389 |
| Total Liabilities and Net Assets / Fund Balance | $7,298,425 | $7,623,617 | ▲ $325,192 |
| Asset | Book Value | Depreciation | Basis |
|---|---|---|---|
| Buildings | $208,463 | $1,247,237 | $1,455,700 |
| Land | $1,182,161 | - | $1,182,161 |
| Leasehold Improvements | $393,543 | $578,099 | $971,642 |
| Equipment | $34,437 | $134,851 | $169,288 |
| Other Land Buildings | $72,439 | $49,309 | $121,748 |
| Other Assets Org | $2,392,373 | - | - |
| Name | Title |
|---|---|
| William Kroth | President |
| Bpb Horn | Trustee |
| Doug Franciso | Trustee |
| George Hutnick | Trustee |
| Gordon Powers | Trustee |
| Jeff Winkler | Trustee |
| Margaret Holzer | Trustee |
| Michael Pierce | Trustee |
| Walter Spink | Trustee |
| Haig Kasabach | Secretary |
| Denise Kroth | Treasurer |
| Jeff Osowski | Vice Preside |
| Line Item | Amount |
|---|---|
| Other Expenses | $314,046 |
| Salaries, Compensation, and Employee Benefits | $270,569 |
| Grants and Similar Amounts Paid | $38,500 |
| Professional Fundraising Fees | $0 |
| Total Fundraising Expense | $0 |
| Line Item | Program | Management | Fundraising | Total |
|---|---|---|---|---|
| Other Salaries and Wages | $230,131 | $17,322 | - | $247,453 |
| Depreciation Depletion | $78,715 | $13,891 | - | $92,606 |
| Insurance | $40,507 | $7,148 | - | $47,655 |
| Office Expenses | $32,638 | $9,276 | - | $41,914 |
| Grants to Domestic Orgs | $38,500 | - | - | $38,500 |
| Payroll Taxes | $21,498 | $1,618 | - | $23,116 |
| Other Expenses | $19,779 | $9,729 | - | $9,729 |
| Fees for Services Accounting | - | $7,200 | - | $7,200 |
| All Other Expenses | $3,790 | $2,002 | - | $5,792 |
| Advertising | $588 | - | - | $588 |
| Total Functional Expenses | $541,611 | $81,504 | $0 | $623,115 |
| Line Item | Amount |
|---|---|
| Total Expenses per Audited Statements | $722,956 |
| Expenses per Audited Statements | $623,115 |
| Total Expenses per Form 990 | $623,115 |
| Expenses Not Reported on Form 990 | $99,841 |
| Recipient | Location | Category | Purpose | Amount |
|---|---|---|---|---|
| Rutgers University | - | - | Scholarship | $7,500 |
| Borough of Ogdensberg | - | - | - | $6,000 |
| Line Item | Amount |
|---|---|
| Professional Fundraising Fees | $0 |
| Liability | Amount |
|---|---|
| Due to Related Party | $3,360 |
“William kroth denise kroth president treasurer married”
“A copy of the 990 is provided to the board”
“No other documents available to the public”
“The sterling hill mining museum is dedicated to the preservation, interpretation, understanding, and appreciation of the history of mining, mining technology, mineralogy, and geology unique to the state of new jersey through scientific research and educational programs.”
“Cost of sales - gift shop 99,841 cost of sales - gift shop -99,841”
“Cost of sales - gift shop 99,841”
“Cost of sales - gift shop 99,841”
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 | true |
| IRS990/AccountsPayableAccrExpnssGrp/BOYAmt | 0 | 8055 |
| IRS990/AccountsPayableAccrExpnssGrp/EOYAmt | 0 | 858 |
| IRS990/AcctCompileOrReviewBasisGrp/SeparateBasisFinclStmtInd | 0 | X |
| IRS990/ActivitiesConductedPrtshpInd | 0 | false |
| IRS990/ActivityOrMissionDesc | 0 | THE STERLING HILL MINING MUSEUM IS DEDICATED TO THE PRESERVATION, INTERPRETATION, UNDERSTANDING, AND APPRECIATION OF THE HISTORY OF MINING, MINING TECHNOLOGY, MINERALOGY, AND GEOLOGY UNIQUE TO THE STATE OF NEW JERSEY THROUGH SCIENTIFIC RESEARCH AND EDUCATIONAL PROGRAMS. |
| IRS990/AdvertisingGrp/ProgramServicesAmt | 0 | 588 |
| IRS990/AdvertisingGrp/TotalAmt | 0 | 588 |
| IRS990/AllOtherContributionsAmt | 0 | 4894 |
| IRS990/AllOtherExpensesGrp/ManagementAndGeneralAmt | 0 | 2002 |
| IRS990/AllOtherExpensesGrp/ProgramServicesAmt | 0 | 3790 |
| IRS990/AllOtherExpensesGrp/TotalAmt | 0 | 5792 |
| IRS990/AnnualDisclosureCoveredPrsnInd | 0 | false |
| IRS990/BackupWthldComplianceInd | 0 | false |
| IRS990/BooksInCareOfDetail/BusinessName/BusinessNameLine1Txt | 0 | STERLING HILL MINING MUSEUM |
| IRS990/BooksInCareOfDetail/BusinessName/BusinessNameLine2Txt | 0 | STERLING HILL MINING MUSEUM INC |
| IRS990/BooksInCareOfDetail/PhoneNum | 0 | 9732097212 |
| IRS990/BooksInCareOfDetail/USAddress/AddressLine1Txt | 0 | 30 PLANT ST |
| IRS990/BooksInCareOfDetail/USAddress/AddressLine2Txt | 0 | 30 PLANT ST |
| IRS990/BooksInCareOfDetail/USAddress/CityNm | 0 | OGDENSBURG |
| IRS990/BooksInCareOfDetail/USAddress/StateAbbreviationCd | 0 | NJ |
| IRS990/BooksInCareOfDetail/USAddress/ZIPCd | 0 | 07439 |
| IRS990/BusinessRlnWith35CtrlEntInd | 0 | false |
| IRS990/BusinessRlnWithFamMemInd | 0 | false |
| IRS990/BusinessRlnWithOrgMemInd | 0 | false |
| 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/CostOfGoodsSoldAmt | 0 | 99841 |
| IRS990/CreditCounselingInd | 0 | false |
| IRS990/CYBenefitsPaidToMembersAmt | 0 | 0 |
| IRS990/CYContributionsGrantsAmt | 0 | 8534 |
| IRS990/CYGrantsAndSimilarPaidAmt | 0 | 38500 |
| IRS990/CYInvestmentIncomeAmt | 0 | 44908 |
| IRS990/CYOtherExpensesAmt | 0 | 314046 |
| IRS990/CYOtherRevenueAmt | 0 | 470518 |
| IRS990/CYProgramServiceRevenueAmt | 0 | 431544 |
| IRS990/CYRevenuesLessExpensesAmt | 0 | 332389 |
| IRS990/CYSalariesCompEmpBnftPaidAmt | 0 | 270569 |
| IRS990/CYTotalExpensesAmt | 0 | 623115 |
| IRS990/CYTotalFundraisingExpenseAmt | 0 | 0 |
| IRS990/CYTotalProfFndrsngExpnsAmt | 0 | 0 |
| IRS990/CYTotalRevenueAmt | 0 | 955504 |
| IRS990/DecisionsSubjectToApprovaInd | 0 | false |
| IRS990/DeductibleArtContributionInd | 0 | false |
| IRS990/DeductibleNonCashContriInd | 0 | false |
| IRS990/DelegationOfMgmtDutiesInd | 0 | false |
| IRS990/DepreciationDepletionGrp/ManagementAndGeneralAmt | 0 | 13891 |
| IRS990/DepreciationDepletionGrp/ProgramServicesAmt | 0 | 78715 |
| IRS990/DepreciationDepletionGrp/TotalAmt | 0 | 92606 |
| IRS990/Desc | 0 | EXPENSES INCURRED TO MAINTAIN STERLING HILL MINE AND THE MUSEUM HOUSING MINERAL COLLECTIONS AND ARTIFACTS; PROVIDE GUIDED TOURS; SELL MINING OBJECTS AND VARIOUS MINERALS, ROCKS AND FOSSILS. |
| IRS990/DescribedInSection501c3Ind | 0 | true |
| IRS990/DisregardedEntityInd | 0 | false |
| IRS990/DocumentRetentionPolicyInd | 0 | true |
| IRS990/DonorAdvisedFundInd | 0 | false |
| IRS990/DonorRestrictionNetAssetsGrp/BOYAmt | 0 | 2279931 |
| IRS990/DonorRestrictionNetAssetsGrp/EOYAmt | 0 | 2263909 |
| IRS990/DonorRstrOrQuasiEndowmentsInd | 0 | false |
| IRS990/ElectionOfBoardMembersInd | 0 | false |
| IRS990/EmployeeCnt | 0 | 44 |
| IRS990/EmploymentTaxReturnsFiledInd | 0 | false |
| IRS990/EngagedInExcessBenefitTransInd | 0 | false |
| IRS990/ExpenseAmt | 0 | 541611 |
| IRS990/FamilyOrBusinessRlnInd | 0 | true |
| IRS990/FederalGrantAuditRequiredInd | 0 | false |
| IRS990/FeesForServicesAccountingGrp/ManagementAndGeneralAmt | 0 | 7200 |
| IRS990/FeesForServicesAccountingGrp/TotalAmt | 0 | 7200 |
| 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/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/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/PersonNm | 0 | DOUG FRANCISO |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 1 | MARGARET HOLZER |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 2 | BPB HORN |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 3 | GEORGE HUTNICK |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 4 | HAIG KASABACH |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 5 | DENISE KROTH |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 6 | WILLIAM KROTH |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 7 | JEFF OSOWSKI |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 8 | MICHAEL PIERCE |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 9 | GORDON POWERS |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 10 | WALTER SPINK |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 11 | JEFF WINKLER |
| 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/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/TitleTxt | 0 | TRUSTEE |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 1 | TRUSTEE |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 2 | TRUSTEE |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 3 | TRUSTEE |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 4 | SECRETARY |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 5 | TREASURER |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 6 | PRESIDENT |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 7 | VICE PRESIDE |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 8 | TRUSTEE |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 9 | TRUSTEE |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 10 | TRUSTEE |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 11 | TRUSTEE |
| IRS990/Form990ProvidedToGvrnBodyInd | 0 | false |
| IRS990/FormationYr | 0 | 1989 |
| IRS990/FormerOfcrEmployeesListedInd | 0 | false |
| IRS990/FSAuditedInd | 0 | false |
| IRS990/FundraisingActivitiesInd | 0 | false |
| IRS990/GamingActivitiesInd | 0 | false |
| IRS990/GoverningBodyVotingMembersCnt | 0 | 12 |
| IRS990/GrantAmt | 0 | 38500 |
| IRS990/GrantsToDomesticOrgsGrp/ProgramServicesAmt | 0 | 38500 |
| IRS990/GrantsToDomesticOrgsGrp/TotalAmt | 0 | 38500 |
| IRS990/GrantsToIndividualsInd | 0 | false |
| IRS990/GrantsToOrganizationsInd | 0 | true |
| IRS990/GrantToRelatedPersonInd | 0 | false |
| IRS990/GrossReceiptsAmt | 0 | 1055345 |
| IRS990/GrossRentsGrp/RealAmt | 0 | 118557 |
| IRS990/GrossSalesOfInventoryAmt | 0 | 451802 |
| IRS990/GroupReturnForAffiliatesInd | 0 | false |
| IRS990/IncludeFIN48FootnoteInd | 0 | false |
| IRS990/IndependentAuditFinclStmtInd | 0 | true |
| IRS990/IndependentVotingMemberCnt | 0 | 12 |
| IRS990/IndoorTanningServicesInd | 0 | false |
| IRS990/InfoInScheduleOPartIIIInd | 0 | X |
| IRS990/InfoInScheduleOPartVIInd | 0 | X |
| IRS990/InfoInScheduleOPartXIInd | 0 | X |
| IRS990/InsuranceGrp/ManagementAndGeneralAmt | 0 | 7148 |
| IRS990/InsuranceGrp/ProgramServicesAmt | 0 | 40507 |
| IRS990/InsuranceGrp/TotalAmt | 0 | 47655 |
| IRS990/InventoriesForSaleOrUseGrp/BOYAmt | 0 | 95917 |
| IRS990/InventoriesForSaleOrUseGrp/EOYAmt | 0 | 106431 |
| IRS990/InvestmentIncomeGrp/ExclusionAmt | 0 | 44908 |
| IRS990/InvestmentIncomeGrp/TotalRevenueColumnAmt | 0 | 44908 |
| IRS990/InvestmentInJointVentureInd | 0 | false |
| IRS990/IRPDocumentCnt | 0 | 1 |
| IRS990/IRPDocumentW2GCnt | 0 | 0 |
| IRS990/LandBldgEquipAccumDeprecAmt | 0 | 2009496 |
| IRS990/LandBldgEquipBasisNetGrp/BOYAmt | 0 | 1909116 |
| IRS990/LandBldgEquipBasisNetGrp/EOYAmt | 0 | 1891043 |
| IRS990/LandBldgEquipCostOrOtherBssAmt | 0 | 3900539 |
| IRS990/LegalDomicileStateCd | 0 | NJ |
| IRS990/LoanOutstandingInd | 0 | false |
| IRS990/LobbyingActivitiesInd | 0 | false |
| IRS990/LocalChaptersInd | 0 | false |
| IRS990/MaterialDiversionOrMisuseInd | 0 | false |
| IRS990/MembershipDuesAmt | 0 | 3640 |
| IRS990/MembersOrStockholdersInd | 0 | false |
| IRS990/MethodOfAccountingAccrualInd | 0 | X |
| IRS990/MinutesOfCommitteesInd | 0 | true |
| IRS990/MinutesOfGoverningBodyInd | 0 | true |
| IRS990/MissionDesc | 0 | THE STERLING HILL MINING MUSEUM IS DEDICATED TO THE PRESERVATION, INTERPRETATION, UNDERSTANDING, AND APPRECIATION OF THE HISTORY OF MINING, MINING TECHNOLOGY, MINERALOGY, AND GEOLOGY UNIQUE TO THE STATE OF NEW JERSEY THROUGH SCIENTIFIC RESEARCH AND EDUCATIONAL PROGRAMS. |
| IRS990/MoreThan5000KToIndividualsInd | 0 | false |
| IRS990/MoreThan5000KToOrgInd | 0 | false |
| IRS990/NetAssetsOrFundBalancesBOYAmt | 0 | 7287010 |
| IRS990/NetAssetsOrFundBalancesEOYAmt | 0 | 7619399 |
| IRS990/NetIncomeOrLossGrp/ExclusionAmt | 0 | 351961 |
| IRS990/NetIncomeOrLossGrp/TotalRevenueColumnAmt | 0 | 351961 |
| IRS990/NetRentalIncomeOrLossGrp/ExclusionAmt | 0 | 118557 |
| IRS990/NetRentalIncomeOrLossGrp/TotalRevenueColumnAmt | 0 | 118557 |
| IRS990/NoDonorRestrictionNetAssetsGrp/BOYAmt | 0 | 5007079 |
| IRS990/NoDonorRestrictionNetAssetsGrp/EOYAmt | 0 | 5355490 |
| IRS990/NoListedPersonsCompensatedInd | 0 | X |
| IRS990/NondeductibleContributionsInd | 0 | false |
| IRS990/OfficeExpensesGrp/ManagementAndGeneralAmt | 0 | 9276 |
| IRS990/OfficeExpensesGrp/ProgramServicesAmt | 0 | 32638 |
| IRS990/OfficeExpensesGrp/TotalAmt | 0 | 41914 |
| IRS990/OfficerMailingAddressInd | 0 | false |
| IRS990/OperateHospitalInd | 0 | false |
| IRS990/Organization501c3Ind | 0 | X |
| IRS990/OrganizationFollowsFASB117Ind | 0 | X |
| IRS990/OtherAssetsTotalGrp/BOYAmt | 0 | 2381611 |
| IRS990/OtherAssetsTotalGrp/EOYAmt | 0 | 2392373 |
| IRS990/OtherExpensesGrp/Desc | 0 | UTILITIES |
| IRS990/OtherExpensesGrp/Desc | 1 | REAL ESTATE TAXES |
| IRS990/OtherExpensesGrp/Desc | 2 | REPAIRS AND MAINTENANCE |
| IRS990/OtherExpensesGrp/Desc | 3 | BANK AND CREDIT CARD CHAR |
| IRS990/OtherExpensesGrp/ManagementAndGeneralAmt | 0 | 8187 |
| IRS990/OtherExpensesGrp/ManagementAndGeneralAmt | 1 | 5131 |
| IRS990/OtherExpensesGrp/ManagementAndGeneralAmt | 2 | 9729 |
| IRS990/OtherExpensesGrp/ProgramServicesAmt | 0 | 46391 |
| IRS990/OtherExpensesGrp/ProgramServicesAmt | 1 | 29074 |
| IRS990/OtherExpensesGrp/ProgramServicesAmt | 2 | 19779 |
| IRS990/OtherExpensesGrp/TotalAmt | 0 | 54578 |
| IRS990/OtherExpensesGrp/TotalAmt | 1 | 34205 |
| IRS990/OtherExpensesGrp/TotalAmt | 2 | 19779 |
| IRS990/OtherExpensesGrp/TotalAmt | 3 | 9729 |
| IRS990/OtherLiabilitiesGrp/BOYAmt | 0 | 3360 |
| IRS990/OtherLiabilitiesGrp/EOYAmt | 0 | 3360 |
| IRS990/OtherSalariesAndWagesGrp/ManagementAndGeneralAmt | 0 | 17322 |
| IRS990/OtherSalariesAndWagesGrp/ProgramServicesAmt | 0 | 230131 |
| IRS990/OtherSalariesAndWagesGrp/TotalAmt | 0 | 247453 |
| IRS990/PartialLiquidationInd | 0 | false |
| IRS990/PayrollTaxesGrp/ManagementAndGeneralAmt | 0 | 1618 |
| IRS990/PayrollTaxesGrp/ProgramServicesAmt | 0 | 21498 |
| IRS990/PayrollTaxesGrp/TotalAmt | 0 | 23116 |
| IRS990/PoliticalCampaignActyInd | 0 | false |
| IRS990/PrincipalOfficerNm | 0 | WILLIAM KROTH |
| IRS990/ProfessionalFundraisingInd | 0 | false |
| IRS990/ProgramServiceRevenueGrp/BusinessCd | 0 | 713990 |
| IRS990/ProgramServiceRevenueGrp/Desc | 0 | ADMISSIONS |
| IRS990/ProgramServiceRevenueGrp/Desc | 1 | OTHER REVENUE |
| IRS990/ProgramServiceRevenueGrp/ExclusionAmt | 0 | 55916 |
| IRS990/ProgramServiceRevenueGrp/RelatedOrExemptFuncIncomeAmt | 0 | 375628 |
| IRS990/ProgramServiceRevenueGrp/TotalRevenueColumnAmt | 0 | 375628 |
| IRS990/ProgramServiceRevenueGrp/TotalRevenueColumnAmt | 1 | 55916 |
| IRS990/ProhibitedTaxShelterTransInd | 0 | false |
| IRS990/PYContributionsGrantsAmt | 0 | 7929 |
| IRS990/PYExcessBenefitTransInd | 0 | false |
| IRS990/PYGrantsAndSimilarPaidAmt | 0 | 22500 |
| IRS990/PYInvestmentIncomeAmt | 0 | 38760 |
| IRS990/PYOtherExpensesAmt | 0 | 300468 |
| IRS990/PYOtherRevenueAmt | 0 | 586288 |
| IRS990/PYProgramServiceRevenueAmt | 0 | 375002 |
| IRS990/PYRevenuesLessExpensesAmt | 0 | 368022 |
| IRS990/PYSalariesCompEmpBnftPaidAmt | 0 | 316989 |
| IRS990/PYTotalExpensesAmt | 0 | 639957 |
| IRS990/PYTotalRevenueAmt | 0 | 1007979 |
| IRS990/ReconcilationRevenueExpnssAmt | 0 | 332389 |
| IRS990/RegularMonitoringEnfrcInd | 0 | false |
| IRS990/RelatedEntityInd | 0 | false |
| IRS990/RelatedOrganizationCtrlEntInd | 0 | false |
| IRS990/RentalIncomeOrLossGrp/RealAmt | 0 | 118557 |
| IRS990/ReportInvestmentsOtherSecInd | 0 | false |
| IRS990/ReportLandBuildingEquipmentInd | 0 | true |
| IRS990/ReportOtherAssetsInd | 0 | true |
| IRS990/ReportOtherLiabilitiesInd | 0 | true |
| IRS990/ReportProgramRelatedInvstInd | 0 | false |
| IRS990/RevenueAmt | 0 | 431544 |
| IRS990/SavingsAndTempCashInvstGrp/BOYAmt | 0 | 2911781 |
| IRS990/SavingsAndTempCashInvstGrp/EOYAmt | 0 | 3233770 |
| IRS990ScheduleA/GiftsGrantsContrisRcvd509Grp/CurrentTaxYearAmt | 0 | 8534 |
| IRS990ScheduleA/GiftsGrantsContrisRcvd509Grp/CurrentTaxYearMinus1YearAmt | 0 | 7929 |
| IRS990ScheduleA/GiftsGrantsContrisRcvd509Grp/CurrentTaxYearMinus2YearsAmt | 0 | 7662 |
| IRS990ScheduleA/GiftsGrantsContrisRcvd509Grp/CurrentTaxYearMinus3YearsAmt | 0 | 97888 |
| IRS990ScheduleA/GiftsGrantsContrisRcvd509Grp/CurrentTaxYearMinus4YearsAmt | 0 | 65479 |
| IRS990ScheduleA/GiftsGrantsContrisRcvd509Grp/TotalAmt | 0 | 187492 |
| IRS990ScheduleA/GrossInvestmentIncome509Grp/CurrentTaxYearAmt | 0 | 163465 |
| IRS990ScheduleA/GrossInvestmentIncome509Grp/CurrentTaxYearMinus1YearAmt | 0 | 165321 |
| IRS990ScheduleA/GrossInvestmentIncome509Grp/CurrentTaxYearMinus2YearsAmt | 0 | 132283 |
| IRS990ScheduleA/GrossInvestmentIncome509Grp/CurrentTaxYearMinus3YearsAmt | 0 | 135641 |
| IRS990ScheduleA/GrossInvestmentIncome509Grp/CurrentTaxYearMinus4YearsAmt | 0 | 126962 |
| IRS990ScheduleA/GrossInvestmentIncome509Grp/TotalAmt | 0 | 723672 |
| IRS990ScheduleA/GrossReceiptsAdmissionsGrp/CurrentTaxYearAmt | 0 | 375628 |
| IRS990ScheduleA/GrossReceiptsAdmissionsGrp/CurrentTaxYearMinus1YearAmt | 0 | 368778 |
| IRS990ScheduleA/GrossReceiptsAdmissionsGrp/CurrentTaxYearMinus2YearsAmt | 0 | 363672 |
| IRS990ScheduleA/GrossReceiptsAdmissionsGrp/CurrentTaxYearMinus3YearsAmt | 0 | 396179 |
| IRS990ScheduleA/GrossReceiptsAdmissionsGrp/CurrentTaxYearMinus4YearsAmt | 0 | 397781 |
| IRS990ScheduleA/GrossReceiptsAdmissionsGrp/TotalAmt | 0 | 1902038 |
| IRS990ScheduleA/GrossReceiptsNonUnrltBusGrp/CurrentTaxYearAmt | 0 | 507718 |
| IRS990ScheduleA/GrossReceiptsNonUnrltBusGrp/CurrentTaxYearMinus1YearAmt | 0 | 578725 |
| IRS990ScheduleA/GrossReceiptsNonUnrltBusGrp/CurrentTaxYearMinus2YearsAmt | 0 | 483010 |
| IRS990ScheduleA/GrossReceiptsNonUnrltBusGrp/CurrentTaxYearMinus3YearsAmt | 0 | 661379 |
| IRS990ScheduleA/GrossReceiptsNonUnrltBusGrp/CurrentTaxYearMinus4YearsAmt | 0 | 612795 |
| IRS990ScheduleA/GrossReceiptsNonUnrltBusGrp/TotalAmt | 0 | 2843627 |
| IRS990ScheduleA/InvestmentIncomeAndUBTIGrp/CurrentTaxYearAmt | 0 | 163465 |
| IRS990ScheduleA/InvestmentIncomeAndUBTIGrp/CurrentTaxYearMinus1YearAmt | 0 | 165321 |
| IRS990ScheduleA/InvestmentIncomeAndUBTIGrp/CurrentTaxYearMinus2YearsAmt | 0 | 132283 |
| IRS990ScheduleA/InvestmentIncomeAndUBTIGrp/CurrentTaxYearMinus3YearsAmt | 0 | 135641 |
| IRS990ScheduleA/InvestmentIncomeAndUBTIGrp/CurrentTaxYearMinus4YearsAmt | 0 | 126962 |
| IRS990ScheduleA/InvestmentIncomeAndUBTIGrp/TotalAmt | 0 | 723672 |
| IRS990ScheduleA/InvestmentIncomeCYPct | 0 | 0.13000 |
| IRS990ScheduleA/InvestmentIncomePYPct | 0 | 0.11000 |
| IRS990ScheduleA/PubliclySupportedOrg509a2Ind | 0 | X |
| IRS990ScheduleA/PublicSupportCY509Pct | 0 | 0.87210 |
| IRS990ScheduleA/PublicSupportPY509Pct | 0 | 0.88750 |
| IRS990ScheduleA/PublicSupportTotal509Amt | 0 | 4933157 |
| IRS990ScheduleA/ThirtyThrPctSuprtTestsCY509Ind | 0 | X |
| IRS990ScheduleA/Total509Grp/CurrentTaxYearAmt | 0 | 891880 |
| IRS990ScheduleA/Total509Grp/CurrentTaxYearMinus1YearAmt | 0 | 955432 |
| IRS990ScheduleA/Total509Grp/CurrentTaxYearMinus2YearsAmt | 0 | 854344 |
| IRS990ScheduleA/Total509Grp/CurrentTaxYearMinus3YearsAmt | 0 | 1155446 |
| IRS990ScheduleA/Total509Grp/CurrentTaxYearMinus4YearsAmt | 0 | 1076055 |
| IRS990ScheduleA/Total509Grp/TotalAmt | 0 | 4933157 |
| IRS990ScheduleA/TotalSupportCalendarYearGrp/CurrentTaxYearAmt | 0 | 1055345 |
| IRS990ScheduleA/TotalSupportCalendarYearGrp/CurrentTaxYearMinus1YearAmt | 0 | 1120753 |
| IRS990ScheduleA/TotalSupportCalendarYearGrp/CurrentTaxYearMinus2YearsAmt | 0 | 986627 |
| IRS990ScheduleA/TotalSupportCalendarYearGrp/CurrentTaxYearMinus3YearsAmt | 0 | 1291087 |
| IRS990ScheduleA/TotalSupportCalendarYearGrp/CurrentTaxYearMinus4YearsAmt | 0 | 1203017 |
| IRS990ScheduleA/TotalSupportCalendarYearGrp/TotalAmt | 0 | 5656829 |
| IRS990/ScheduleBRequiredInd | 0 | false |
| IRS990ScheduleD/BuildingsGrp/BookValueAmt | 0 | 208463 |
| IRS990ScheduleD/BuildingsGrp/DepreciationAmt | 0 | 1247237 |
| IRS990ScheduleD/BuildingsGrp/OtherCostOrOtherBasisAmt | 0 | 1455700 |
| IRS990ScheduleD/EquipmentGrp/BookValueAmt | 0 | 34437 |
| IRS990ScheduleD/EquipmentGrp/DepreciationAmt | 0 | 134851 |
| IRS990ScheduleD/EquipmentGrp/OtherCostOrOtherBasisAmt | 0 | 169288 |
| IRS990ScheduleD/ExpensesNotReportedAmt | 0 | 99841 |
| IRS990ScheduleD/ExpensesSubtotalAmt | 0 | 623115 |
| IRS990ScheduleD/LandGrp/BookValueAmt | 0 | 1182161 |
| IRS990ScheduleD/LandGrp/OtherCostOrOtherBasisAmt | 0 | 1182161 |
| IRS990ScheduleD/LeaseholdImprovementsGrp/BookValueAmt | 0 | 393543 |
| IRS990ScheduleD/LeaseholdImprovementsGrp/DepreciationAmt | 0 | 578099 |
| IRS990ScheduleD/LeaseholdImprovementsGrp/OtherCostOrOtherBasisAmt | 0 | 971642 |
| IRS990ScheduleD/OtherAssetsOrgGrp/BookValueAmt | 0 | 2392373 |
| IRS990ScheduleD/OtherAssetsOrgGrp/Desc | 0 | ARTIFACTS |
| IRS990ScheduleD/OtherExpensesIncludedAmt | 0 | 99841 |
| IRS990ScheduleD/OtherLandBuildingsGrp/BookValueAmt | 0 | 72439 |
| IRS990ScheduleD/OtherLandBuildingsGrp/DepreciationAmt | 0 | 49309 |
| IRS990ScheduleD/OtherLandBuildingsGrp/OtherCostOrOtherBasisAmt | 0 | 121748 |
| IRS990ScheduleD/OtherLiabilitiesOrgGrp/Amt | 0 | 3360 |
| IRS990ScheduleD/OtherLiabilitiesOrgGrp/Desc | 0 | DUE TO RELATED PARTY |
| IRS990ScheduleD/OtherRevenueAmt | 0 | 99841 |
| IRS990ScheduleD/RevenueNotReportedAmt | 0 | 99841 |
| IRS990ScheduleD/RevenueSubtotalAmt | 0 | 955504 |
| IRS990ScheduleD/SolicitedAssetsSaleInd | 0 | false |
| IRS990ScheduleD/SupplementalInformationDetail/ExplanationTxt | 0 | COST OF SALES - GIFT SHOP 99,841 |
| IRS990ScheduleD/SupplementalInformationDetail/ExplanationTxt | 1 | COST OF SALES - GIFT SHOP 99,841 |
| IRS990ScheduleD/SupplementalInformationDetail/FormAndLineReferenceDesc | 0 | SCHEDULE D, PAGE 4, PART XI, LINE 2D |
| IRS990ScheduleD/SupplementalInformationDetail/FormAndLineReferenceDesc | 1 | SCHEDULE D, PAGE 4, PART XII, LINE 2D |
| IRS990ScheduleD/TotalBookValueLandBuildingsAmt | 0 | 1891043 |
| IRS990ScheduleD/TotalBookValueOtherAssetsAmt | 0 | 2392373 |
| IRS990ScheduleD/TotalExpensesPerForm990Amt | 0 | 623115 |
| IRS990ScheduleD/TotalLiabilityAmt | 0 | 3360 |
| IRS990ScheduleD/TotalRevenuePerForm990Amt | 0 | 955504 |
| IRS990ScheduleD/TotalRevEtcAuditedFinclStmtAmt | 0 | 1055345 |
| IRS990ScheduleD/TotExpnsEtcAuditedFinclStmtAmt | 0 | 722956 |
| IRS990ScheduleI/GrantRecordsMaintainedInd | 0 | true |
| IRS990ScheduleI/RecipientTable/CashGrantAmt | 0 | 7500 |
| IRS990ScheduleI/RecipientTable/CashGrantAmt | 1 | 6000 |
| IRS990ScheduleI/RecipientTable/PurposeOfGrantTxt | 0 | SCHOLARSHIP |
| IRS990ScheduleI/RecipientTable/RecipientBusinessName/BusinessNameLine1Txt | 0 | RUTGERS UNIVERSITY |
| IRS990ScheduleI/RecipientTable/RecipientBusinessName/BusinessNameLine1Txt | 1 | BOROUGH OF OGDENSBERG |
| IRS990/ScheduleJRequiredInd | 0 | false |
| IRS990/ScheduleORequiredInd | 0 | true |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 0 | THE STERLING HILL MINING MUSEUM IS DEDICATED TO THE PRESERVATION, INTERPRETATION, UNDERSTANDING, AND APPRECIATION OF THE HISTORY OF MINING, MINING TECHNOLOGY, MINERALOGY, AND GEOLOGY UNIQUE TO THE STATE OF NEW JERSEY THROUGH SCIENTIFIC RESEARCH AND EDUCATIONAL PROGRAMS. |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 1 | WILLIAM KROTH DENISE KROTH PRESIDENT TREASURER MARRIED |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 2 | A COPY OF THE 990 IS PROVIDED TO THE BOARD |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 3 | NO OTHER DOCUMENTS AVAILABLE TO THE PUBLIC |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 4 | COST OF SALES - GIFT SHOP 99,841 COST OF SALES - GIFT SHOP -99,841 |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 0 | FORM 990 - ORGANIZATION'S MISSION |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 1 | FORM 990, PAGE 6, PART VI, LINE 2 |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 2 | FORM 990, PAGE 6, PART VI, LINE 11B |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 3 | FORM 990, PAGE 6, PART VI, LINE 19 |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 4 | FORM 990, PART XI, LINE 9 |
| IRS990/SchoolOperatingInd | 0 | false |
| IRS990/SignificantChangeInd | 0 | false |
| IRS990/SignificantNewProgramSrvcInd | 0 | false |
| IRS990/StatesWhereCopyOfReturnIsFldCd | 0 | NJ |
| 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 | 7298425 |
| IRS990/TotalAssetsEOYAmt | 0 | 7623617 |
| IRS990/TotalAssetsGrp/BOYAmt | 0 | 7298425 |
| IRS990/TotalAssetsGrp/EOYAmt | 0 | 7623617 |
| IRS990/TotalCompGreaterThan150KInd | 0 | false |
| IRS990/TotalContributionsAmt | 0 | 8534 |
| IRS990/TotalEmployeeCnt | 0 | 44 |
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Displayed year
2020 • Form 990Detailed filing. Detailed filing data is available for this year.