Liabilities / Assets
19th percentile
Tied with the lowest-debt nonprofits in its peer group.
EIN 76-0536349 • 501(c)3 • Houston, TX
Profile
To promote preservation, education, archaeology, & research of African Diaspora history focusing on the period of enslavement & post-slavery era in the Gulf Coast Region of Texas & its connections to other regions in the world.
Precomputed percentiles relative to similar nonprofits. These scores are descriptive rather than judgmental.
Liabilities / Assets
19th percentile
Tied with the lowest-debt nonprofits in its peer group.
Liabilities / Revenue
20th percentile
Tied with the lowest-debt nonprofits in its peer group.
Net Margin
35th percentile
Higher net margin than 35% of similar nonprofits.
Top Officer Pay
40th percentile
Higher top officer pay than 40% of similar nonprofits.
Top officer pay equals 0.0% of source-year revenue.
Asset Growth
38th percentile
Faster asset growth than 38% of similar nonprofits.
Revenue Growth
74th percentile
Faster revenue growth than 74% of similar nonprofits.
Assets
Down$1,549,453
Down $2,932 (-0.2%) from 2023
Liabilities
Flat$0
Flat from 2023
Net Assets
Down$1,549,453
Down $2,932 (-0.2%) from 2023
Revenue
Up$234,497
Up $52,477 (+29%) from 2023
Expenses
Up$237,429
Up $19,148 (+8.8%) from 2023
Net Income
Up-$2,932
Up $33,329 (+92%) from 2023
Most recent year
2024 • Form 990Detailed filing. Detailed filing data is available for this year.
To promote preservation, education, archaeology, & research of African Diaspora history focusing on the period of enslavement & post-slavery era in the Gulf Coast Region of Texas & its connections to other regions in the world.
| Line | Beginning | End | Change |
|---|---|---|---|
| Assets | |||
| Rtn Earn Endowment Incm Other Fnds | $1,552,385 | $1,549,453 | ▼ $2,932 |
| Land, Buildings, and Equipment, Net | $1,382,614 | $1,385,796 | ▲ $3,182 |
| Cash and Non-Interest-Bearing Accounts | $57,214 | $80,711 | ▲ $23,497 |
| Savings and Temporary Cash Investments | $103,297 | $67,909 | ▼ $35,388 |
| Accounts Receivable | - | $1,000 | - |
| Total Assets | $1,552,385 | $1,549,453 | ▼ $2,932 |
| Other Assets Total | $9,260 | $14,037 | ▲ $4,777 |
| Liabilities | |||
| Accounts Payable and Accrued Expenses | $0 | $0 | → $0 |
| Total Liabilities | $0 | $0 | → $0 |
| Net Assets / Fund Balance | |||
| Total Net Assets Fund Balance | $1,552,385 | $1,549,453 | ▼ $2,932 |
| Total Liabilities and Net Assets / Fund Balance | $1,552,385 | $1,549,453 | ▼ $2,932 |
| Asset | Book Value | Depreciation | Basis |
|---|---|---|---|
| Buildings | $711,166 | - | $711,166 |
| Land | $637,988 | - | $637,988 |
| Leasehold Improvements | $33,460 | $7,821 | $41,281 |
| Other Land Buildings | $2,968 | $3,447 | $6,415 |
| Equipment | $214 | $4,115 | $4,329 |
| Name | Title |
|---|---|
| Byron D Cobbin | Chairman-President |
| Theophilus Herrington PhD | Immediate Past Chairman |
| Kristan Crapps | 1st Vice President |
| Sarah Trotty PhD | 2nd Vice President |
| Alfred Henson PhD | Director |
| Catherine Roberts | Director |
| Kareem Heshmat | Director |
| Margaret Boulware | Director |
| Carolyn Burnley | Secretary |
| Kathy Ploch CPA | Treasurer |
| Contribution Type | Contribution Count | Reported Amount | Valuation Method |
|---|---|---|---|
| Other Non Cash Contri Table | 1 | $8,400 | Fair Market Value (FMV) |
| Total Noncash Contributions | 1 | $8,400 | - |
| Line Item | Amount |
|---|---|
| Other Expenses | $233,578 |
| Total Fundraising Expense | $5,972 |
| Professional Fundraising Fees | $3,851 |
| Grants and Similar Amounts Paid | $0 |
| Salaries, Compensation, and Employee Benefits | $0 |
| Line Item | Program | Management | Fundraising | Total |
|---|---|---|---|---|
| Fees for Services Other | $44,255 | $2,703 | $0 | $46,958 |
| Advertising | $20,946 | $0 | $0 | $20,946 |
| All Other Expenses | $15,754 | $0 | $0 | $15,754 |
| Insurance | $7,148 | $600 | $0 | $7,748 |
| Occupancy | $4,900 | $2,195 | $0 | $7,095 |
| Depreciation Depletion | $3,815 | $2,497 | $0 | $6,312 |
| Office Expenses | $0 | $4,143 | $2,121 | $6,264 |
| Fees for Services Professional Fundraising | - | - | $3,851 | $3,851 |
| Information Technology | $1,892 | $128 | $0 | $2,020 |
| Conferences and Meetings | $1,025 | $0 | $0 | $1,025 |
| Other Expenses | $729 | $0 | $0 | $729 |
| Total Functional Expenses | $218,951 | $12,506 | $5,972 | $237,429 |
| Line Item | Amount |
|---|---|
| Professional Fundraising Fees | $3,851 |
“The Form 990 is sent via e-mail to the board for review.”
“Rounding”
“With approximately 12,000 works of art & artifacts. The Museums permanent collection of world art spans 2,000 years & four continents. The museum acquires its art & artifacts through gifts or from archaeological investigations in dig units in museum properties. The value of all art objects obtained by gift has not been assigned. The value of archaeological artifacts has not been determined to date.”
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 | 0 |
| IRS990/AccountsPayableAccrExpnssGrp/EOYAmt | 0 | 0 |
| IRS990/AccountsReceivableGrp/EOYAmt | 0 | 1000 |
| IRS990/ActivitiesConductedPrtshpInd | 0 | false |
| IRS990/ActivityOrMissionDesc | 0 | To promote preservation, education, archaeology, & research of African Diaspora history focusing on the period of enslavement & post-slavery era in the Gulf Coast Region of Texas & its connections to other regions in the world. |
| IRS990/AdvertisingGrp/FundraisingAmt | 0 | 0 |
| IRS990/AdvertisingGrp/ManagementAndGeneralAmt | 0 | 0 |
| IRS990/AdvertisingGrp/ProgramServicesAmt | 0 | 20946 |
| IRS990/AdvertisingGrp/TotalAmt | 0 | 20946 |
| IRS990/AllOtherContributionsAmt | 0 | 232455 |
| IRS990/AllOtherExpensesGrp/FundraisingAmt | 0 | 0 |
| IRS990/AllOtherExpensesGrp/ManagementAndGeneralAmt | 0 | 0 |
| IRS990/AllOtherExpensesGrp/ProgramServicesAmt | 0 | 15754 |
| IRS990/AllOtherExpensesGrp/TotalAmt | 0 | 15754 |
| IRS990/BackupWthldComplianceInd | 0 | true |
| IRS990/BooksInCareOfDetail/PersonNm | 0 | Kathy Ploch CPA |
| IRS990/BooksInCareOfDetail/PhoneNum | 0 | 2814964275 |
| IRS990/BooksInCareOfDetail/USAddress/AddressLine1Txt | 0 | P O Box 820182 |
| IRS990/BooksInCareOfDetail/USAddress/CityNm | 0 | Houston |
| IRS990/BooksInCareOfDetail/USAddress/StateAbbreviationCd | 0 | TX |
| IRS990/BooksInCareOfDetail/USAddress/ZIPCd | 0 | 77282 |
| IRS990/BusinessRlnWith35CtrlEntInd | 0 | false |
| IRS990/BusinessRlnWithFamMemInd | 0 | false |
| IRS990/BusinessRlnWithOrgMemInd | 0 | false |
| IRS990/CashNonInterestBearingGrp/BOYAmt | 0 | 57214 |
| IRS990/CashNonInterestBearingGrp/EOYAmt | 0 | 80711 |
| IRS990/ChangeToOrgDocumentsInd | 0 | false |
| IRS990/CollectionsOfArtInd | 0 | true |
| IRS990/CompensationFromOtherSrcsInd | 0 | false |
| IRS990/CompensationProcessCEOInd | 0 | false |
| IRS990/CompensationProcessOtherInd | 0 | false |
| IRS990/ConferencesMeetingsGrp/FundraisingAmt | 0 | 0 |
| IRS990/ConferencesMeetingsGrp/ManagementAndGeneralAmt | 0 | 0 |
| IRS990/ConferencesMeetingsGrp/ProgramServicesAmt | 0 | 1025 |
| IRS990/ConferencesMeetingsGrp/TotalAmt | 0 | 1025 |
| IRS990/ConflictOfInterestPolicyInd | 0 | false |
| IRS990/ConservationEasementsInd | 0 | false |
| IRS990/ConsolidatedAuditFinclStmtInd | 0 | false |
| IRS990/CreditCounselingInd | 0 | false |
| IRS990/CYBenefitsPaidToMembersAmt | 0 | 0 |
| IRS990/CYContributionsGrantsAmt | 0 | 232455 |
| IRS990/CYGrantsAndSimilarPaidAmt | 0 | 0 |
| IRS990/CYInvestmentIncomeAmt | 0 | 13 |
| IRS990/CYOtherExpensesAmt | 0 | 233578 |
| IRS990/CYOtherRevenueAmt | 0 | 0 |
| IRS990/CYProgramServiceRevenueAmt | 0 | 2029 |
| IRS990/CYRevenuesLessExpensesAmt | 0 | -2932 |
| IRS990/CYSalariesCompEmpBnftPaidAmt | 0 | 0 |
| IRS990/CYTotalExpensesAmt | 0 | 237429 |
| IRS990/CYTotalFundraisingExpenseAmt | 0 | 5972 |
| IRS990/CYTotalProfFndrsngExpnsAmt | 0 | 3851 |
| IRS990/CYTotalRevenueAmt | 0 | 234497 |
| IRS990/DecisionsSubjectToApprovaInd | 0 | false |
| IRS990/DeductibleArtContributionInd | 0 | false |
| IRS990/DeductibleNonCashContriInd | 0 | true |
| IRS990/DelegationOfMgmtDutiesInd | 0 | false |
| IRS990/DepreciationDepletionGrp/FundraisingAmt | 0 | 0 |
| IRS990/DepreciationDepletionGrp/ManagementAndGeneralAmt | 0 | 2497 |
| IRS990/DepreciationDepletionGrp/ProgramServicesAmt | 0 | 3815 |
| IRS990/DepreciationDepletionGrp/TotalAmt | 0 | 6312 |
| IRS990/Desc | 0 | Continued preservation, stabilization, planning and restoration of 2 National Register-listed and State Historic Landmark houses for future use as museums. Completed all geo tech & topographical surveys for 2 historic houses. Completed 50% architectural & engineering planning, for a historic cottage to become Gift Shop/Gallery/Tour office, & for the construction of a new building as a tour group gathering center with public restrooms. Retarped 2 houses after storm damage. |
| IRS990/DescribedInSection501c3Ind | 0 | true |
| IRS990/DisregardedEntityInd | 0 | false |
| IRS990/DocumentRetentionPolicyInd | 0 | false |
| IRS990/DonorAdvisedFundInd | 0 | false |
| IRS990/DonorRstrOrQuasiEndowmentsInd | 0 | false |
| IRS990/ElectionOfBoardMembersInd | 0 | false |
| IRS990/EmployeeCnt | 0 | 0 |
| IRS990/EmploymentTaxReturnsFiledInd | 0 | true |
| IRS990/EngagedInExcessBenefitTransInd | 0 | false |
| IRS990/ExpenseAmt | 0 | 143589 |
| IRS990/FamilyOrBusinessRlnInd | 0 | false |
| IRS990/FederalGrantAuditRequiredInd | 0 | false |
| IRS990/FeesForServicesOtherGrp/FundraisingAmt | 0 | 0 |
| IRS990/FeesForServicesOtherGrp/ManagementAndGeneralAmt | 0 | 2703 |
| IRS990/FeesForServicesOtherGrp/ProgramServicesAmt | 0 | 44255 |
| IRS990/FeesForServicesOtherGrp/TotalAmt | 0 | 46958 |
| IRS990/FeesForServicesProfFundraising/FundraisingAmt | 0 | 3851 |
| IRS990/FeesForServicesProfFundraising/TotalAmt | 0 | 3851 |
| IRS990/ForeignActivitiesInd | 0 | false |
| IRS990/ForeignFinancialAccountInd | 0 | false |
| IRS990/ForeignOfficeInd | 0 | false |
| IRS990/Form8282PropertyDisposedOfInd | 0 | false |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 0 | 5.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 1 | 5.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 2 | 5.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 3 | 10.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 4 | 25.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 5 | 5.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 6 | 10.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 7 | 5.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 8 | 5.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 9 | 5.00 |
| 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/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/OfficerInd | 6 | 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/PersonNm | 0 | Byron D Cobbin |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 1 | Kristan Crapps |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 2 | Sarah Trotty PhD |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 3 | Kathy Ploch CPA |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 4 | Catherine Roberts |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 5 | Carolyn Burnley |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 6 | Theophilus Herrington PhD |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 7 | Margaret Boulware |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 8 | Alfred Henson PhD |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 9 | Kareem Heshmat |
| 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/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/TitleTxt | 0 | Chairman-President |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 1 | 1st Vice President |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 2 | 2nd Vice President |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 3 | Treasurer |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 4 | Director |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 5 | Secretary |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 6 | Immediate Past Chairman |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 7 | Director |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 8 | Director |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 9 | Director |
| IRS990/Form990ProvidedToGvrnBodyInd | 0 | true |
| IRS990/FormationYr | 0 | 1996 |
| IRS990/FormerOfcrEmployeesListedInd | 0 | false |
| IRS990/FSAuditedInd | 0 | false |
| IRS990/FundraisingActivitiesInd | 0 | false |
| IRS990/GamingActivitiesInd | 0 | false |
| IRS990/GoverningBodyVotingMembersCnt | 0 | 10 |
| IRS990/GrantAmt | 0 | 0 |
| IRS990/GrantsToIndividualsInd | 0 | false |
| IRS990/GrantsToOrganizationsInd | 0 | false |
| IRS990/GrantToRelatedPersonInd | 0 | false |
| IRS990/GrossReceiptsAmt | 0 | 234497 |
| IRS990/GroupReturnForAffiliatesInd | 0 | false |
| IRS990/IncludeFIN48FootnoteInd | 0 | false |
| IRS990/IndependentAuditFinclStmtInd | 0 | false |
| IRS990/IndependentVotingMemberCnt | 0 | 10 |
| IRS990/IndoorTanningServicesInd | 0 | false |
| IRS990/InfoInScheduleOPartVIInd | 0 | X |
| IRS990/InfoInScheduleOPartXIInd | 0 | X |
| IRS990/InformationTechnologyGrp/FundraisingAmt | 0 | 0 |
| IRS990/InformationTechnologyGrp/ManagementAndGeneralAmt | 0 | 128 |
| IRS990/InformationTechnologyGrp/ProgramServicesAmt | 0 | 1892 |
| IRS990/InformationTechnologyGrp/TotalAmt | 0 | 2020 |
| IRS990/InsuranceGrp/FundraisingAmt | 0 | 0 |
| IRS990/InsuranceGrp/ManagementAndGeneralAmt | 0 | 600 |
| IRS990/InsuranceGrp/ProgramServicesAmt | 0 | 7148 |
| IRS990/InsuranceGrp/TotalAmt | 0 | 7748 |
| IRS990/InvestmentIncomeGrp/ExclusionAmt | 0 | 13 |
| IRS990/InvestmentIncomeGrp/TotalRevenueColumnAmt | 0 | 13 |
| IRS990/InvestmentIncomeGrp/UnrelatedBusinessRevenueAmt | 0 | 0 |
| IRS990/InvestmentInJointVentureInd | 0 | false |
| IRS990/IRPDocumentCnt | 0 | 5 |
| IRS990/IRPDocumentW2GCnt | 0 | 0 |
| IRS990/LandBldgEquipAccumDeprecAmt | 0 | 15383 |
| IRS990/LandBldgEquipBasisNetGrp/BOYAmt | 0 | 1382614 |
| IRS990/LandBldgEquipBasisNetGrp/EOYAmt | 0 | 1385796 |
| IRS990/LandBldgEquipCostOrOtherBssAmt | 0 | 1401179 |
| IRS990/LegalDomicileStateCd | 0 | TX |
| IRS990/LoanOutstandingInd | 0 | false |
| IRS990/LobbyingActivitiesInd | 0 | false |
| IRS990/LocalChaptersInd | 0 | false |
| IRS990/MaterialDiversionOrMisuseInd | 0 | false |
| IRS990/MembersOrStockholdersInd | 0 | false |
| IRS990/MethodOfAccountingAccrualInd | 0 | X |
| IRS990/MinutesOfCommitteesInd | 0 | true |
| IRS990/MinutesOfGoverningBodyInd | 0 | true |
| IRS990/MissionDesc | 0 | To promote preservation, education, archaeology, & research of African Diaspora history focusing on the period of enslavement & post-slavery era in the Gulf Coast Region of Texas & its connections to other regions in the world. |
| IRS990/MoreThan5000KToIndividualsInd | 0 | false |
| IRS990/MoreThan5000KToOrgInd | 0 | false |
| IRS990/NetAssetsOrFundBalancesBOYAmt | 0 | 1552385 |
| IRS990/NetAssetsOrFundBalancesEOYAmt | 0 | 1549453 |
| IRS990/NetUnrelatedBusTxblIncmAmt | 0 | 0 |
| IRS990/NoListedPersonsCompensatedInd | 0 | X |
| IRS990/NondeductibleContributionsInd | 0 | false |
| IRS990/OccupancyGrp/FundraisingAmt | 0 | 0 |
| IRS990/OccupancyGrp/ManagementAndGeneralAmt | 0 | 2195 |
| IRS990/OccupancyGrp/ProgramServicesAmt | 0 | 4900 |
| IRS990/OccupancyGrp/TotalAmt | 0 | 7095 |
| IRS990/OfficeExpensesGrp/FundraisingAmt | 0 | 2121 |
| IRS990/OfficeExpensesGrp/ManagementAndGeneralAmt | 0 | 4143 |
| IRS990/OfficeExpensesGrp/ProgramServicesAmt | 0 | 0 |
| IRS990/OfficeExpensesGrp/TotalAmt | 0 | 6264 |
| IRS990/OfficerMailingAddressInd | 0 | false |
| IRS990/OperateHospitalInd | 0 | false |
| IRS990/Organization501c3Ind | 0 | X |
| IRS990/OrgDoesNotFollowFASB117Ind | 0 | X |
| IRS990/OtherAssetsTotalGrp/BOYAmt | 0 | 9260 |
| IRS990/OtherAssetsTotalGrp/EOYAmt | 0 | 14037 |
| IRS990/OtherExpensesGrp/Desc | 0 | Utilities |
| IRS990/OtherExpensesGrp/Desc | 1 | Bank & credit card charges |
| IRS990/OtherExpensesGrp/Desc | 2 | Restoration |
| IRS990/OtherExpensesGrp/Desc | 3 | Educational programs |
| IRS990/OtherExpensesGrp/FundraisingAmt | 0 | 0 |
| IRS990/OtherExpensesGrp/FundraisingAmt | 1 | 0 |
| IRS990/OtherExpensesGrp/FundraisingAmt | 2 | 0 |
| IRS990/OtherExpensesGrp/FundraisingAmt | 3 | 0 |
| IRS990/OtherExpensesGrp/ManagementAndGeneralAmt | 0 | 0 |
| IRS990/OtherExpensesGrp/ManagementAndGeneralAmt | 1 | 240 |
| IRS990/OtherExpensesGrp/ManagementAndGeneralAmt | 2 | 0 |
| IRS990/OtherExpensesGrp/ManagementAndGeneralAmt | 3 | 0 |
| IRS990/OtherExpensesGrp/ProgramServicesAmt | 0 | 6607 |
| IRS990/OtherExpensesGrp/ProgramServicesAmt | 1 | 0 |
| IRS990/OtherExpensesGrp/ProgramServicesAmt | 2 | 111880 |
| IRS990/OtherExpensesGrp/ProgramServicesAmt | 3 | 729 |
| IRS990/OtherExpensesGrp/TotalAmt | 0 | 6607 |
| IRS990/OtherExpensesGrp/TotalAmt | 1 | 240 |
| IRS990/OtherExpensesGrp/TotalAmt | 2 | 111880 |
| IRS990/OtherExpensesGrp/TotalAmt | 3 | 729 |
| IRS990/PartialLiquidationInd | 0 | false |
| IRS990/PayPremiumsPrsnlBnftCntrctInd | 0 | false |
| IRS990/PoliticalCampaignActyInd | 0 | false |
| IRS990/PrincipalOfficerNm | 0 | Byron D Cobbin |
| IRS990/ProfessionalFundraisingInd | 0 | false |
| IRS990/ProgramServiceRevenueGrp/BusinessCd | 0 | 561520 |
| IRS990/ProgramServiceRevenueGrp/Desc | 0 | Museum admissions |
| IRS990/ProgramServiceRevenueGrp/ExclusionAmt | 0 | 0 |
| IRS990/ProgramServiceRevenueGrp/TotalRevenueColumnAmt | 0 | 2029 |
| IRS990/ProgramServiceRevenueGrp/UnrelatedBusinessRevenueAmt | 0 | 0 |
| IRS990/ProgSrvcAccomActy2Grp/Desc | 0 | One historic 1898 house was designated as a State of Texas Most Endangered Historic Structure. Under the direction of the Archaeologist/Curator, several paid university archaeology student interns, new archaeology reports were added to two of the 74 UNESCO nominations under consideration. Those two properties are owned & being restored by RBHYates & are located in the Freedmens Town National Register Historic District-Houston, Texas. |
| IRS990/ProgSrvcAccomActy2Grp/ExpenseAmt | 0 | 0 |
| IRS990/ProgSrvcAccomActy2Grp/GrantAmt | 0 | 0 |
| IRS990/ProgSrvcAccomActy2Grp/RevenueAmt | 0 | 0 |
| IRS990/ProgSrvcAccomActy3Grp/Desc | 0 | Continue contract for part-time Archaeologist/Curator; continued contracts for part-time office administrator & for part-time Historic Researcher/Tour Program Dir.; provided internships for 2 University of Houston Anthropology students to continue processing & creating exhibits of 19th & 20th century artifacts from the museums collection of 200,000+ artifacts. Sent 4 historic window units to have lead paint removed, revarnished, & reinstalled in the J. V. Lewis museum. Installed locking glass exhibit cabinets & a 6 ft. video monitor in the J. Vance Lewis historic house. Installed a 400 lb antique cast iron stove in the J. Vance Lewis. Archaeologist, volunteers, staff & Historic Researcher hosted 40 tour groups, 1 international club, 3 school field trips. Hosted Preservation Volunteer work days for employees of 3 companies, 2 preservation organizations, & 2 university conference groups. |
| IRS990/ProgSrvcAccomActy3Grp/ExpenseAmt | 0 | 75362 |
| IRS990/ProgSrvcAccomActy3Grp/GrantAmt | 0 | 0 |
| IRS990/ProgSrvcAccomActy3Grp/RevenueAmt | 0 | 2029 |
| IRS990/ProhibitedTaxShelterTransInd | 0 | false |
| IRS990/PYContributionsGrantsAmt | 0 | 179604 |
| IRS990/PYExcessBenefitTransInd | 0 | false |
| IRS990/PYGrantsAndSimilarPaidAmt | 0 | 500 |
| IRS990/PYInvestmentIncomeAmt | 0 | 13 |
| IRS990/PYOtherExpensesAmt | 0 | 215035 |
| IRS990/PYOtherRevenueAmt | 0 | 1463 |
| IRS990/PYProgramServiceRevenueAmt | 0 | 940 |
| IRS990/PYRevenuesLessExpensesAmt | 0 | -36261 |
| IRS990/PYTotalExpensesAmt | 0 | 218281 |
| IRS990/PYTotalProfFndrsngExpnsAmt | 0 | 2746 |
| IRS990/PYTotalRevenueAmt | 0 | 182020 |
| IRS990/QuidProQuoContributionsInd | 0 | true |
| IRS990/QuidProQuoContriDisclInd | 0 | true |
| IRS990/RcvFndsToPayPrsnlBnftCntrctInd | 0 | false |
| IRS990/ReconcilationRevenueExpnssAmt | 0 | -2932 |
| IRS990/RelatedEntityInd | 0 | false |
| IRS990/RelatedOrganizationCtrlEntInd | 0 | false |
| IRS990/ReportInvestmentsOtherSecInd | 0 | false |
| IRS990/ReportLandBuildingEquipmentInd | 0 | true |
| IRS990/ReportOtherAssetsInd | 0 | false |
| IRS990/ReportOtherLiabilitiesInd | 0 | false |
| IRS990/ReportProgramRelatedInvstInd | 0 | false |
| IRS990/RevenueAmt | 0 | 0 |
| IRS990/RtnEarnEndowmentIncmOthFndsGrp/BOYAmt | 0 | 1552385 |
| IRS990/RtnEarnEndowmentIncmOthFndsGrp/EOYAmt | 0 | 1549453 |
| IRS990/SavingsAndTempCashInvstGrp/BOYAmt | 0 | 103297 |
| IRS990/SavingsAndTempCashInvstGrp/EOYAmt | 0 | 67909 |
| IRS990ScheduleA/GiftsGrantsContriRcvd170Grp/CurrentTaxYearAmt | 0 | 232455 |
| IRS990ScheduleA/GiftsGrantsContriRcvd170Grp/CurrentTaxYearMinus1YearAmt | 0 | 179604 |
| IRS990ScheduleA/GiftsGrantsContriRcvd170Grp/CurrentTaxYearMinus2YearsAmt | 0 | 164862 |
| IRS990ScheduleA/GiftsGrantsContriRcvd170Grp/CurrentTaxYearMinus3YearsAmt | 0 | 380021 |
| IRS990ScheduleA/GiftsGrantsContriRcvd170Grp/CurrentTaxYearMinus4YearsAmt | 0 | 145291 |
| IRS990ScheduleA/GiftsGrantsContriRcvd170Grp/TotalAmt | 0 | 1102233 |
| IRS990ScheduleA/GovtFurnSrvcFcltsVl170Grp/TotalAmt | 0 | 0 |
| IRS990ScheduleA/GrossInvestmentIncome170Grp/CurrentTaxYearAmt | 0 | 13 |
| IRS990ScheduleA/GrossInvestmentIncome170Grp/CurrentTaxYearMinus1YearAmt | 0 | 13 |
| IRS990ScheduleA/GrossInvestmentIncome170Grp/CurrentTaxYearMinus2YearsAmt | 0 | 13 |
| IRS990ScheduleA/GrossInvestmentIncome170Grp/CurrentTaxYearMinus3YearsAmt | 0 | 4 |
| IRS990ScheduleA/GrossInvestmentIncome170Grp/CurrentTaxYearMinus4YearsAmt | 0 | 5 |
| IRS990ScheduleA/GrossInvestmentIncome170Grp/TotalAmt | 0 | 48 |
| IRS990ScheduleA/InvestmentIncomeCYPct | 0 | 0 |
| IRS990ScheduleA/OtherIncome170Grp/TotalAmt | 0 | 0 |
| IRS990ScheduleA/OtherSupportSumAmt | 0 | 0 |
| IRS990ScheduleA/PublicOrganization170Ind | 0 | X |
| IRS990ScheduleA/PublicSupportCY170Pct | 0 | 1.00000 |
| IRS990ScheduleA/PublicSupportCY509Pct | 0 | 0 |
| IRS990ScheduleA/PublicSupportPY170Pct | 0 | 0.76860 |
| IRS990ScheduleA/PublicSupportTotal170Amt | 0 | 1102233 |
| IRS990ScheduleA/PublicSupportTotal509Amt | 0 | 0 |
| IRS990ScheduleA/SubstantialContributorsTotAmt | 0 | 0 |
| IRS990ScheduleA/TaxRevLeviedOrgnztnlBnft170Grp/TotalAmt | 0 | 0 |
| IRS990ScheduleA/ThirtyThrPctSuprtTestsCY170Ind | 0 | X |
| IRS990ScheduleA/TotalCalendarYear170Grp/CurrentTaxYearAmt | 0 | 232455 |
| IRS990ScheduleA/TotalCalendarYear170Grp/CurrentTaxYearMinus1YearAmt | 0 | 179604 |
| IRS990ScheduleA/TotalCalendarYear170Grp/CurrentTaxYearMinus2YearsAmt | 0 | 164862 |
| IRS990ScheduleA/TotalCalendarYear170Grp/CurrentTaxYearMinus3YearsAmt | 0 | 380021 |
| IRS990ScheduleA/TotalCalendarYear170Grp/CurrentTaxYearMinus4YearsAmt | 0 | 145291 |
| IRS990ScheduleA/TotalCalendarYear170Grp/TotalAmt | 0 | 1102233 |
| IRS990ScheduleA/TotalSupportAmt | 0 | 1102281 |
| IRS990ScheduleA/UnrelatedBusinessNetIncm170Grp/TotalAmt | 0 | 0 |
| 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 | 711166 |
| IRS990ScheduleD/BuildingsGrp/OtherCostOrOtherBasisAmt | 0 | 711166 |
| IRS990ScheduleD/CollectionUsedPreservationInd | 0 | X |
| IRS990ScheduleD/CollectionUsedPubExhibitionInd | 0 | X |
| IRS990ScheduleD/CollUsedScholarlyRsrchInd | 0 | X |
| IRS990ScheduleD/EquipmentGrp/BookValueAmt | 0 | 214 |
| IRS990ScheduleD/EquipmentGrp/DepreciationAmt | 0 | 4115 |
| IRS990ScheduleD/EquipmentGrp/OtherCostOrOtherBasisAmt | 0 | 4329 |
| IRS990ScheduleD/LandGrp/BookValueAmt | 0 | 637988 |
| IRS990ScheduleD/LandGrp/InvestmentCostOrOtherBasisAmt | 0 | 0 |
| IRS990ScheduleD/LandGrp/OtherCostOrOtherBasisAmt | 0 | 637988 |
| IRS990ScheduleD/LeaseholdImprovementsGrp/BookValueAmt | 0 | 33460 |
| IRS990ScheduleD/LeaseholdImprovementsGrp/DepreciationAmt | 0 | 7821 |
| IRS990ScheduleD/LeaseholdImprovementsGrp/OtherCostOrOtherBasisAmt | 0 | 41281 |
| IRS990ScheduleD/OtherLandBuildingsGrp/BookValueAmt | 0 | 2968 |
| IRS990ScheduleD/OtherLandBuildingsGrp/DepreciationAmt | 0 | 3447 |
| IRS990ScheduleD/OtherLandBuildingsGrp/OtherCostOrOtherBasisAmt | 0 | 6415 |
| IRS990ScheduleD/SolicitedAssetsSaleInd | 0 | false |
| IRS990ScheduleD/SupplementalInformationDetail/ExplanationTxt | 0 | With approximately 12,000 works of art & artifacts. The Museums permanent collection of world art spans 2,000 years & four continents. The museum acquires its art & artifacts through gifts or from archaeological investigations in dig units in museum properties. The value of all art objects obtained by gift has not been assigned. The value of archaeological artifacts has not been determined to date. |
| IRS990ScheduleD/SupplementalInformationDetail/FormAndLineReferenceDesc | 0 | Pt III, Line 4 |
| IRS990ScheduleD/TotalBookValueLandBuildingsAmt | 0 | 1385796 |
| IRS990/ScheduleJRequiredInd | 0 | false |
| IRS990ScheduleM/AnyPropertyThatMustBeHeldInd | 0 | false |
| IRS990ScheduleM/OtherNonCashContriTableGrp/ContributionCnt | 0 | 1 |
| IRS990ScheduleM/OtherNonCashContriTableGrp/Desc | 0 | Office rent |
| IRS990ScheduleM/OtherNonCashContriTableGrp/MethodOfDeterminingRevenuesTxt | 0 | FMV |
| IRS990ScheduleM/OtherNonCashContriTableGrp/NoncashContributionsRptF990Amt | 0 | 8400 |
| IRS990ScheduleM/ReviewProcessUnusualNCGiftsInd | 0 | false |
| IRS990ScheduleM/ThirdPartiesUsedInd | 0 | false |
| IRS990/ScheduleORequiredInd | 0 | true |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 0 | The Form 990 is sent via e-mail to the board for review. |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 1 | Rounding |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 0 | Pt VI, Line 11b |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 1 | Pt XI |
| IRS990/SchoolOperatingInd | 0 | false |
| IRS990/SignificantChangeInd | 0 | false |
| IRS990/SignificantNewProgramSrvcInd | 0 | false |
| IRS990/SubjectToProxyTaxInd | 0 | false |
| IRS990/TaxablePartyNotificationInd | 0 | false |
| IRS990/TaxExemptBondsInd | 0 | false |
| IRS990/TerminateOperationsInd | 0 | false |
| IRS990/TotalAssetsBOYAmt | 0 | 1552385 |
| IRS990/TotalAssetsEOYAmt | 0 | 1549453 |
| IRS990/TotalAssetsGrp/BOYAmt | 0 | 1552385 |
| IRS990/TotalAssetsGrp/EOYAmt | 0 | 1549453 |
| IRS990/TotalCompGreaterThan150KInd | 0 | false |
| IRS990/TotalContributionsAmt | 0 | 232455 |
| IRS990/TotalEmployeeCnt | 0 | 0 |
| IRS990/TotalFunctionalExpensesGrp/FundraisingAmt | 0 | 5972 |
| IRS990/TotalFunctionalExpensesGrp/ManagementAndGeneralAmt | 0 | 12506 |
| IRS990/TotalFunctionalExpensesGrp/ProgramServicesAmt | 0 | 218951 |
| IRS990/TotalFunctionalExpensesGrp/TotalAmt | 0 | 237429 |
| IRS990/TotalGrossUBIAmt | 0 | 0 |
| IRS990/TotalLiabilitiesBOYAmt | 0 | 0 |
| IRS990/TotalLiabilitiesEOYAmt | 0 | 0 |
| IRS990/TotalLiabilitiesGrp/BOYAmt | 0 | 0 |
| IRS990/TotalLiabilitiesGrp/EOYAmt | 0 | 0 |
| IRS990/TotalNetAssetsFundBalanceGrp/BOYAmt | 0 | 1552385 |
| IRS990/TotalNetAssetsFundBalanceGrp/EOYAmt | 0 | 1549453 |
| IRS990/TotalProgramServiceExpensesAmt | 0 | 218951 |
| IRS990/TotalProgramServiceRevenueAmt | 0 | 2029 |
| IRS990/TotalRevenueGrp/ExclusionAmt | 0 | 13 |
| IRS990/TotalRevenueGrp/RelatedOrExemptFuncIncomeAmt | 0 | 2029 |
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