Liabilities / Assets
15th percentile
Higher debt load relative to assets than 15% of similar nonprofits.
990 • Fiscal year 2017 • EIN 22-3125202
Precomputed percentiles for this filing year versus similar nonprofits in the same peer cohort.
Liabilities / Assets
15th percentile
Higher debt load relative to assets than 15% of similar nonprofits.
Liabilities / Revenue
15th percentile
Higher debt load relative to revenue than 15% of similar nonprofits.
Net Margin
91st percentile
Higher net margin than 91% of similar nonprofits.
Top Officer Pay
19th percentile
Higher top officer pay than 19% of similar nonprofits.
Top officer pay equals 0.0% of source-year revenue.
Asset Growth
75th percentile
Faster asset growth than 75% of similar nonprofits.
Revenue Growth
46th percentile
Faster revenue growth than 46% of similar nonprofits.
Assets
Up$6,748,956
Up $565,616 (+9.1%) from 2016
Net Assets
Up$6,735,706
Up $562,620 (+9.1%) from 2016
Liabilities
Up$13,250
Up $2,996 (+29%) from 2016
Revenue
Up$1,147,866
Up $39,507 (+3.6%) from 2016
Expenses
Down$585,246
Down $53,795 (-8.4%) from 2016
Net Income
Up$562,620
Up $93,302 (+20%) from 2016
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 | $1,780,640 | $2,293,929 | ▲ $513,289 |
| Land, Buildings, and Equipment, Net | $2,086,219 | $2,014,654 | ▼ $71,565 |
| Inventories for Sale or Use | $89,633 | $93,805 | ▲ $4,172 |
| Total Assets | $6,183,340 | $6,748,956 | ▲ $565,616 |
| Other Assets Total | $2,226,848 | $2,346,568 | ▲ $119,720 |
| Liabilities | |||
| Accounts Payable and Accrued Expenses | $6,894 | $9,890 | ▲ $2,996 |
| Other Liabilities | $3,360 | $3,360 | → $0 |
| Total Liabilities | $10,254 | $13,250 | ▲ $2,996 |
| Net Assets / Fund Balance | |||
| Unrestricted Net Assets | $3,820,113 | $4,420,939 | ▲ $600,826 |
| Temporarily Rstr Net Assets | $2,352,973 | $2,314,767 | ▼ $38,206 |
| Total Net Assets Fund Balance | $6,173,086 | $6,735,706 | ▲ $562,620 |
| Total Liabilities and Net Assets / Fund Balance | $6,183,340 | $6,748,956 | ▲ $565,616 |
| Asset | Book Value | Depreciation | Basis |
|---|---|---|---|
| Buildings | $966,360 | $1,604,737 | $2,571,097 |
| Land | $1,015,301 | - | $1,015,301 |
| Equipment | $28,074 | $106,843 | $134,917 |
| Other Land Buildings | $4,919 | $42,301 | $47,220 |
| Other Assets Org | $2,346,568 | - | - |
| Name | Title |
|---|---|
| William Kroth | President |
| Eric Weis | Trustee |
| Gordon Powers | Trustee |
| Jeff Winkler | Trustee |
| Lincoln Hollister | Trustee |
| Margaret Holzer | Trustee |
| Michael Pierce | Trustee |
| Richard Hauck | Trustee |
| Walter Spink | Trustee |
| Haig Kasabach | Secretary |
| Denise Kroth | Treasurer |
| Jeff Osowski | Vice Preside |
| Line Item | Amount |
|---|---|
| Other Expenses | $335,669 |
| Salaries, Compensation, and Employee Benefits | $249,577 |
| Grants and Similar Amounts Paid | $0 |
| Professional Fundraising Fees | $0 |
| Total Fundraising Expense | $0 |
| Line Item | Program | Management | Fundraising | Total |
|---|---|---|---|---|
| Other Salaries and Wages | $213,164 | $16,045 | - | $229,209 |
| Depreciation Depletion | $67,592 | $11,927 | - | $79,519 |
| Office Expenses | $58,682 | $10,356 | - | $69,038 |
| Insurance | $31,277 | $5,520 | - | $36,797 |
| Payroll Taxes | $18,942 | $1,426 | - | $20,368 |
| Other Expenses | $25,997 | $15,696 | - | $15,696 |
| All Other Expenses | $13,083 | $2,215 | - | $15,298 |
| Fees for Services Accounting | - | $6,600 | - | $6,600 |
| Fees for Services Legal | - | $2,868 | - | $2,868 |
| Advertising | $2,802 | - | - | $2,802 |
| Total Functional Expenses | $500,435 | $84,811 | $0 | $585,246 |
| Line Item | Amount |
|---|---|
| Expenses per Audited Statements | $585,246 |
| Total Expenses per Audited Statements | $585,246 |
| Total Expenses per Form 990 | $585,246 |
| 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.”
“Through hard work,as well as generous donations, the museum has assembled an extensive collection of minerals, mining equipment and fossils. These collections are open for public exhibition at the museum as well as being integrated into the education curriculum compiled for students. The mineral collection is the finest display of minerals in the state of new jersey. Special exhibits include pegmatite minerals, the minerals of china, russia, and africa, and displays of individual mineral species such as quartz, fluorite, calcite, stibnite, barite, celestine, and copper. In the fluorescent mineral display you will see minerals glowing brilliantly in the dark in rich shades or red, green, orange, yellow, and blue, often in combinations of two to five fluorescent minerals in the same specimen. Hundreds of items used in mining and milling operations are on display in the zobel exhibit hall. Here you will find dynamite detonators, rock drills, compressors, jaw crushers, ore cars, sinking buckets, and a wide variety of hand tools used in the mines, plus equipment used in related facilities such as laboratories and blacksmith shops. Five large display cases highlight the evolution of mine lighting and show candlepicks, oil lamps, carbide lamps, and electric cap lamps. The fossil collection includes dinosaur eggs, dinosaur bones, petrified wood, a full-size replica tyrannosaurus rex skull, and a large slab of siltstone showing embedded dinosaur footprints.”
This appendix keeps the raw XML leaves available for debugging and edge-case review. The human report above is the primary experience.
| Path | # | Value |
|---|---|---|
| IRS990/AccountantCompileOrReviewInd | 0 | false |
| IRS990/AccountsPayableAccrExpnssGrp/BOYAmt | 0 | 6894 |
| IRS990/AccountsPayableAccrExpnssGrp/EOYAmt | 0 | 9890 |
| 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 | 2802 |
| IRS990/AdvertisingGrp/TotalAmt | 0 | 2802 |
| IRS990/AllOtherContributionsAmt | 0 | 90368 |
| IRS990/AllOtherExpensesGrp/ManagementAndGeneralAmt | 0 | 2215 |
| IRS990/AllOtherExpensesGrp/ProgramServicesAmt | 0 | 13083 |
| IRS990/AllOtherExpensesGrp/TotalAmt | 0 | 15298 |
| IRS990/AnnualDisclosureCoveredPrsnInd | 0 | false |
| IRS990/AuditCommitteeInd | 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/BusinessRlnWithFamMemInd | 0 | false |
| IRS990/BusinessRlnWithOfficerEntInd | 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 | 143221 |
| IRS990/CreditCounselingInd | 0 | false |
| IRS990/CYBenefitsPaidToMembersAmt | 0 | 0 |
| IRS990/CYContributionsGrantsAmt | 0 | 97888 |
| IRS990/CYGrantsAndSimilarPaidAmt | 0 | 0 |
| IRS990/CYInvestmentIncomeAmt | 0 | 7315 |
| IRS990/CYOtherExpensesAmt | 0 | 335669 |
| IRS990/CYOtherRevenueAmt | 0 | 636735 |
| IRS990/CYProgramServiceRevenueAmt | 0 | 405928 |
| IRS990/CYRevenuesLessExpensesAmt | 0 | 562620 |
| IRS990/CYSalariesCompEmpBnftPaidAmt | 0 | 249577 |
| IRS990/CYTotalExpensesAmt | 0 | 585246 |
| IRS990/CYTotalFundraisingExpenseAmt | 0 | 0 |
| IRS990/CYTotalProfFndrsngExpnsAmt | 0 | 0 |
| IRS990/CYTotalRevenueAmt | 0 | 1147866 |
| IRS990/DecisionsSubjectToApprovaInd | 0 | false |
| IRS990/DeductibleArtContributionInd | 0 | false |
| IRS990/DeductibleNonCashContriInd | 0 | false |
| IRS990/DelegationOfMgmtDutiesInd | 0 | false |
| IRS990/DepreciationDepletionGrp/ManagementAndGeneralAmt | 0 | 11927 |
| IRS990/DepreciationDepletionGrp/ProgramServicesAmt | 0 | 67592 |
| IRS990/DepreciationDepletionGrp/TotalAmt | 0 | 79519 |
| 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/ElectionOfBoardMembersInd | 0 | false |
| IRS990/EmployeeCnt | 0 | 28 |
| IRS990/EmploymentTaxReturnsFiledInd | 0 | true |
| IRS990/EngagedInExcessBenefitTransInd | 0 | false |
| IRS990/ExpenseAmt | 0 | 500435 |
| IRS990/FamilyOrBusinessRlnInd | 0 | true |
| IRS990/FederalGrantAuditRequiredInd | 0 | false |
| IRS990/FeesForServicesAccountingGrp/ManagementAndGeneralAmt | 0 | 6600 |
| IRS990/FeesForServicesAccountingGrp/TotalAmt | 0 | 6600 |
| IRS990/FeesForServicesLegalGrp/ManagementAndGeneralAmt | 0 | 2868 |
| IRS990/FeesForServicesLegalGrp/TotalAmt | 0 | 2868 |
| 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 | RICHARD HAUCK |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 1 | MICHAEL PIERCE |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 2 | GORDON POWERS |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 3 | HAIG KASABACH |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 4 | DENISE KROTH |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 5 | LINCOLN HOLLISTER |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 6 | JEFF OSOWSKI |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 7 | WILLIAM KROTH |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 8 | JEFF WINKLER |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 9 | WALTER SPINK |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 10 | MARGARET HOLZER |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 11 | ERIC WEIS |
| 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 | SECRETARY |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 4 | TREASURER |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 5 | TRUSTEE |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 6 | VICE PRESIDE |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 7 | PRESIDENT |
| 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/FSAuditedBasisGrp/SeparateBasisFinclStmtInd | 0 | X |
| IRS990/FSAuditedInd | 0 | true |
| IRS990/FundraisingActivitiesInd | 0 | false |
| IRS990/GamingActivitiesInd | 0 | false |
| IRS990/GoverningBodyVotingMembersCnt | 0 | 12 |
| IRS990/GrantsToIndividualsInd | 0 | false |
| IRS990/GrantsToOrganizationsInd | 0 | false |
| IRS990/GrantToRelatedPersonInd | 0 | false |
| IRS990/GrossReceiptsAmt | 0 | 1291087 |
| IRS990/GrossRentsGrp/RealAmt | 0 | 128326 |
| IRS990/GrossSalesOfInventoryAmt | 0 | 651630 |
| 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/InsuranceGrp/ManagementAndGeneralAmt | 0 | 5520 |
| IRS990/InsuranceGrp/ProgramServicesAmt | 0 | 31277 |
| IRS990/InsuranceGrp/TotalAmt | 0 | 36797 |
| IRS990/InventoriesForSaleOrUseGrp/BOYAmt | 0 | 89633 |
| IRS990/InventoriesForSaleOrUseGrp/EOYAmt | 0 | 93805 |
| IRS990/InvestmentIncomeGrp/ExclusionAmt | 0 | 7315 |
| IRS990/InvestmentIncomeGrp/TotalRevenueColumnAmt | 0 | 7315 |
| IRS990/InvestmentInJointVentureInd | 0 | false |
| IRS990/IRPDocumentCnt | 0 | 2 |
| IRS990/IRPDocumentW2GCnt | 0 | 0 |
| IRS990/LandBldgEquipAccumDeprecAmt | 0 | 1753881 |
| IRS990/LandBldgEquipBasisNetGrp/BOYAmt | 0 | 2086219 |
| IRS990/LandBldgEquipBasisNetGrp/EOYAmt | 0 | 2014654 |
| IRS990/LandBldgEquipCostOrOtherBssAmt | 0 | 3768535 |
| IRS990/LegalDomicileStateCd | 0 | NJ |
| IRS990/LoanOutstandingInd | 0 | false |
| IRS990/LobbyingActivitiesInd | 0 | false |
| IRS990/LocalChaptersInd | 0 | false |
| IRS990/MaterialDiversionOrMisuseInd | 0 | false |
| IRS990/MembershipDuesAmt | 0 | 7520 |
| 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 | 6173086 |
| IRS990/NetAssetsOrFundBalancesEOYAmt | 0 | 6735706 |
| IRS990/NetIncomeOrLossGrp/ExclusionAmt | 0 | 508409 |
| IRS990/NetIncomeOrLossGrp/TotalRevenueColumnAmt | 0 | 508409 |
| IRS990/NetRentalIncomeOrLossGrp/ExclusionAmt | 0 | 128326 |
| IRS990/NetRentalIncomeOrLossGrp/TotalRevenueColumnAmt | 0 | 128326 |
| IRS990/NoListedPersonsCompensatedInd | 0 | X |
| IRS990/NondeductibleContributionsInd | 0 | false |
| IRS990/OfficeExpensesGrp/ManagementAndGeneralAmt | 0 | 10356 |
| IRS990/OfficeExpensesGrp/ProgramServicesAmt | 0 | 58682 |
| IRS990/OfficeExpensesGrp/TotalAmt | 0 | 69038 |
| IRS990/OfficerMailingAddressInd | 0 | false |
| IRS990/OperateHospitalInd | 0 | false |
| IRS990/Organization501c3Ind | 0 | X |
| IRS990/OrganizationFollowsSFAS117Ind | 0 | X |
| IRS990/OtherAssetsTotalGrp/BOYAmt | 0 | 2226848 |
| IRS990/OtherAssetsTotalGrp/EOYAmt | 0 | 2346568 |
| 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 | 7270 |
| IRS990/OtherExpensesGrp/ManagementAndGeneralAmt | 1 | 4888 |
| IRS990/OtherExpensesGrp/ManagementAndGeneralAmt | 2 | 15696 |
| IRS990/OtherExpensesGrp/ProgramServicesAmt | 0 | 41199 |
| IRS990/OtherExpensesGrp/ProgramServicesAmt | 1 | 27697 |
| IRS990/OtherExpensesGrp/ProgramServicesAmt | 2 | 25997 |
| IRS990/OtherExpensesGrp/TotalAmt | 0 | 48469 |
| IRS990/OtherExpensesGrp/TotalAmt | 1 | 32585 |
| IRS990/OtherExpensesGrp/TotalAmt | 2 | 25997 |
| IRS990/OtherExpensesGrp/TotalAmt | 3 | 15696 |
| IRS990/OtherLiabilitiesGrp/BOYAmt | 0 | 3360 |
| IRS990/OtherLiabilitiesGrp/EOYAmt | 0 | 3360 |
| IRS990/OtherSalariesAndWagesGrp/ManagementAndGeneralAmt | 0 | 16045 |
| IRS990/OtherSalariesAndWagesGrp/ProgramServicesAmt | 0 | 213164 |
| IRS990/OtherSalariesAndWagesGrp/TotalAmt | 0 | 229209 |
| IRS990/PartialLiquidationInd | 0 | false |
| IRS990/PayrollTaxesGrp/ManagementAndGeneralAmt | 0 | 1426 |
| IRS990/PayrollTaxesGrp/ProgramServicesAmt | 0 | 18942 |
| IRS990/PayrollTaxesGrp/TotalAmt | 0 | 20368 |
| 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 | 9749 |
| IRS990/ProgramServiceRevenueGrp/RelatedOrExemptFuncIncomeAmt | 0 | 396179 |
| IRS990/ProgramServiceRevenueGrp/TotalRevenueColumnAmt | 0 | 396179 |
| IRS990/ProgramServiceRevenueGrp/TotalRevenueColumnAmt | 1 | 9749 |
| IRS990/ProhibitedTaxShelterTransInd | 0 | false |
| IRS990/PYContributionsGrantsAmt | 0 | 59414 |
| IRS990/PYExcessBenefitTransInd | 0 | false |
| IRS990/PYGrantsAndSimilarPaidAmt | 0 | 8000 |
| IRS990/PYInvestmentIncomeAmt | 0 | 6219 |
| IRS990/PYOtherExpensesAmt | 0 | 330266 |
| IRS990/PYOtherRevenueAmt | 0 | 609589 |
| IRS990/PYProgramServiceRevenueAmt | 0 | 433137 |
| IRS990/PYRevenuesLessExpensesAmt | 0 | 469318 |
| IRS990/PYSalariesCompEmpBnftPaidAmt | 0 | 300775 |
| IRS990/PYTotalExpensesAmt | 0 | 639041 |
| IRS990/PYTotalRevenueAmt | 0 | 1108359 |
| IRS990/ReconcilationRevenueExpnssAmt | 0 | 562620 |
| IRS990/RegularMonitoringEnfrcInd | 0 | false |
| IRS990/RelatedEntityInd | 0 | false |
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| IRS990/ReportInvestmentsOtherSecInd | 0 | false |
| IRS990/ReportLandBuildingEquipmentInd | 0 | true |
| IRS990/ReportOtherAssetsInd | 0 | true |
| IRS990/ReportOtherLiabilitiesInd | 0 | true |
| IRS990/ReportProgramRelatedInvstInd | 0 | false |
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| IRS990ScheduleA/GiftsGrantsContrisRcvd509Grp/CurrentTaxYearMinus1YearAmt | 0 | 65479 |
| IRS990ScheduleA/GiftsGrantsContrisRcvd509Grp/CurrentTaxYearMinus2YearsAmt | 0 | 21371 |
| IRS990ScheduleA/GiftsGrantsContrisRcvd509Grp/CurrentTaxYearMinus3YearsAmt | 0 | 23807 |
| IRS990ScheduleA/GiftsGrantsContrisRcvd509Grp/CurrentTaxYearMinus4YearsAmt | 0 | 26623 |
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| IRS990ScheduleA/GrossInvestmentIncome509Grp/CurrentTaxYearMinus3YearsAmt | 0 | 108285 |
| IRS990ScheduleA/GrossInvestmentIncome509Grp/CurrentTaxYearMinus4YearsAmt | 0 | 108748 |
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| IRS990ScheduleA/GrossReceiptsAdmissionsGrp/CurrentTaxYearMinus3YearsAmt | 0 | 379157 |
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| IRS990ScheduleA/GrossReceiptsAdmissionsGrp/TotalAmt | 0 | 1912406 |
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| IRS990ScheduleA/InvestmentIncomePYPct | 0 | 0.00000 |
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| IRS990ScheduleA/PublicSupportCY509Pct | 0 | 0.90660 |
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| IRS990ScheduleA/Total509Grp/CurrentTaxYearMinus1YearAmt | 0 | 1076055 |
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| IRS990ScheduleA/Total509Grp/CurrentTaxYearMinus3YearsAmt | 0 | 1229283 |
| IRS990ScheduleA/Total509Grp/CurrentTaxYearMinus4YearsAmt | 0 | 1005595 |
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| IRS990ScheduleA/TotalSupportCalendarYearGrp/CurrentTaxYearMinus3YearsAmt | 0 | 1337568 |
| IRS990ScheduleA/TotalSupportCalendarYearGrp/CurrentTaxYearMinus4YearsAmt | 0 | 1114343 |
| IRS990ScheduleA/TotalSupportCalendarYearGrp/TotalAmt | 0 | 6237157 |
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| IRS990ScheduleD/BuildingsGrp/OtherCostOrOtherBasisAmt | 0 | 2571097 |
| IRS990ScheduleD/CollectionUsedPreservationInd | 0 | X |
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| IRS990ScheduleD/EquipmentGrp/DepreciationAmt | 0 | 106843 |
| IRS990ScheduleD/EquipmentGrp/OtherCostOrOtherBasisAmt | 0 | 134917 |
| IRS990ScheduleD/ExpensesSubtotalAmt | 0 | 585246 |
| IRS990ScheduleD/LandGrp/BookValueAmt | 0 | 1015301 |
| IRS990ScheduleD/LandGrp/OtherCostOrOtherBasisAmt | 0 | 1015301 |
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| IRS990ScheduleD/OtherAssetsOrgGrp/Desc | 0 | ARTIFACTS |
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| IRS990ScheduleD/OtherLiabilitiesOrgGrp/Desc | 0 | DUE TO RELATED PARTY |
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| IRS990ScheduleD/SupplementalInformationDetail/ExplanationTxt | 0 | THROUGH HARD WORK,AS WELL AS GENEROUS DONATIONS, THE MUSEUM HAS ASSEMBLED AN EXTENSIVE COLLECTION OF MINERALS, MINING EQUIPMENT AND FOSSILS. THESE COLLECTIONS ARE OPEN FOR PUBLIC EXHIBITION AT THE MUSEUM AS WELL AS BEING INTEGRATED INTO THE EDUCATION CURRICULUM COMPILED FOR STUDENTS. THE MINERAL COLLECTION IS THE FINEST DISPLAY OF MINERALS IN THE STATE OF NEW JERSEY. SPECIAL EXHIBITS INCLUDE PEGMATITE MINERALS, THE MINERALS OF CHINA, RUSSIA, AND AFRICA, AND DISPLAYS OF INDIVIDUAL MINERAL SPECIES SUCH AS QUARTZ, FLUORITE, CALCITE, STIBNITE, BARITE, CELESTINE, AND COPPER. IN THE FLUORESCENT MINERAL DISPLAY YOU WILL SEE MINERALS GLOWING BRILLIANTLY IN THE DARK IN RICH SHADES OR RED, GREEN, ORANGE, YELLOW, AND BLUE, OFTEN IN COMBINATIONS OF TWO TO FIVE FLUORESCENT MINERALS IN THE SAME SPECIMEN. HUNDREDS OF ITEMS USED IN MINING AND MILLING OPERATIONS ARE ON DISPLAY IN THE ZOBEL EXHIBIT HALL. HERE YOU WILL FIND DYNAMITE DETONATORS, ROCK DRILLS, COMPRESSORS, JAW CRUSHERS, ORE CARS, SINKING BUCKETS, AND A WIDE VARIETY OF HAND TOOLS USED IN THE MINES, PLUS EQUIPMENT USED IN RELATED FACILITIES SUCH AS LABORATORIES AND BLACKSMITH SHOPS. FIVE LARGE DISPLAY CASES HIGHLIGHT THE EVOLUTION OF MINE LIGHTING AND SHOW CANDLEPICKS, OIL LAMPS, CARBIDE LAMPS, AND ELECTRIC CAP LAMPS. THE FOSSIL COLLECTION INCLUDES DINOSAUR EGGS, DINOSAUR BONES, PETRIFIED WOOD, A FULL-SIZE REPLICA TYRANNOSAURUS REX SKULL, AND A LARGE SLAB OF SILTSTONE SHOWING EMBEDDED DINOSAUR FOOTPRINTS. |
| IRS990ScheduleD/SupplementalInformationDetail/FormAndLineReferenceDesc | 0 | SCHEDULE D, PAGE 1, PART III, LINE 1A |
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| IRS990ScheduleD/TotalBookValueOtherAssetsAmt | 0 | 2346568 |
| IRS990ScheduleD/TotalExpensesPerForm990Amt | 0 | 585246 |
| IRS990ScheduleD/TotalLiabilityAmt | 0 | 3360 |
| IRS990ScheduleD/TotalRevenuePerForm990Amt | 0 | 1147866 |
| IRS990ScheduleD/TotalRevEtcAuditedFinclStmtAmt | 0 | 1147866 |
| IRS990ScheduleD/TotExpnsEtcAuditedFinclStmtAmt | 0 | 585246 |
| 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/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 |
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| IRS990/SignificantChangeInd | 0 | false |
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| IRS990/StatesWhereCopyOfReturnIsFldCd | 0 | NJ |
| IRS990/SubjectToProxyTaxInd | 0 | false |
| IRS990/TaxablePartyNotificationInd | 0 | false |
| IRS990/TaxExemptBondsInd | 0 | false |
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| IRS990/TemporarilyRstrNetAssetsGrp/EOYAmt | 0 | 2314767 |
| IRS990/TempOrPermanentEndowmentsInd | 0 | false |
| IRS990/TerminateOperationsInd | 0 | false |
| IRS990/TotalAssetsBOYAmt | 0 | 6183340 |
| IRS990/TotalAssetsEOYAmt | 0 | 6748956 |
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| IRS990/TotalAssetsGrp/EOYAmt | 0 | 6748956 |
| IRS990/TotalCompGreaterThan150KInd | 0 | false |
| IRS990/TotalContributionsAmt | 0 | 97888 |
| IRS990/TotalEmployeeCnt | 0 | 28 |
| IRS990/TotalFunctionalExpensesGrp/FundraisingAmt | 0 | 0 |
| IRS990/TotalFunctionalExpensesGrp/ManagementAndGeneralAmt | 0 | 84811 |
| IRS990/TotalFunctionalExpensesGrp/ProgramServicesAmt | 0 | 500435 |
| IRS990/TotalFunctionalExpensesGrp/TotalAmt | 0 | 585246 |
| IRS990/TotalGrossUBIAmt | 0 | 0 |
| IRS990/TotalLiabilitiesBOYAmt | 0 | 10254 |
| IRS990/TotalLiabilitiesEOYAmt | 0 | 13250 |
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| IRS990/TotalLiabilitiesGrp/EOYAmt | 0 | 13250 |
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| IRS990/TotalNetAssetsFundBalanceGrp/EOYAmt | 0 | 6735706 |
| IRS990/TotalProgramServiceExpensesAmt | 0 | 500435 |
| IRS990/TotalProgramServiceRevenueAmt | 0 | 405928 |
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Displayed year
2017 • Form 990Detailed filing. Detailed filing data is available for this year.