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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>schedule d, PART III, LINE 4</FormAndLineReferenceDesc>
        <ExplanationTxt>WITH ITS MOVE TO A VIRTUAL OFFICE IN 2010, THE AIME BOARD APPROVED THAT HISTORICAL ARTIFACTS BE GIVEN, UPON REQUEST, TO ITS FOUR MEMBER SOCIETIES TO DISPLAY WITH RECOGNITION THAT THE ARTIFACTS ARE ON LOAN FROM AIME (AND INSURED, AS APPROPRIATE, BY THE MEMBER SOCIETIES). THE COLLECTION INCLUDES PORTRAITS OF JAMES DOUGLAS AND DANIEL JACKLING, WHICH HAVE BEEN APPRAISED FOR APPROXIMATELY $5,000. THESE ARTIFACTS, ALONG WITH OTHER PUBLICATIONS, GIFTS, AND MEMORABILIA, HAVE BEEN DONATED TO THE ORGANIZATION FOR THEIR PRESERVATION, AND WILL BE HOUSED AT SME, AND OTHER MEMBER SOCIETY OFFICES.</ExplanationTxt>
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      <SupplementalInformationDetail>
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        <ExplanationTxt>THE EAVENSON FUND IS RESTRICTED TO BE USED FOR COAL AND ENERGY DIVISION SCHOLARSHIPS, AND OTHER COAL DIVISION PROJECTS WITHIN THE SOCIETY FOR MINING, METALLURGY, AND EXPLORATION.</ExplanationTxt>
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      <SupplementalInformationDetail>
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        <ExplanationTxt>AIME is exempt from federal income taxes under Section 501(c)(3) of the Internal Revenue Code. AIME believes that it does not have any uncertain tax positions that are material to the financial statements.</ExplanationTxt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>schedule I, PART I, LINE 2</FormAndLineReferenceDesc>
        <ExplanationTxt>AIME WORKS CLOSELY WITH THE SUPPORTED ORGANIZATIONS, WHICH RECEIVE THE GRANTS FROM AIME. TO ASSIST IN MONITORING THE USE OF FUNDS, AIME REQUESTS DETAILED USE OF FUNDS REPORTS AND INVOICES FROM THE SUPPORTED ORGANIZATIONS: AIST, SME, SPE &amp; TMS.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleI>
    <IRS990ScheduleO documentId="IRS990ScheduleO">
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART I, LINE I; PART III, LINE 1</FormAndLineReferenceDesc>
        <ExplanationTxt>MISSION STATEMENT IN FULL: AIME SUPPORTS ITS MEMBER SOCIETIES BY EXERCISING FISCAL RESPONSIBILITY, DISTRIBUTING FUNDS, FACILITATING INTERACTION WITH THE COMMUNITY, ENHANCING COLLABORATION AMONG THE MEMBER SOCIETIES, AND HONORING THE LEGACY AND TRADITIONS OF AIME.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, part iii, line 4d</FormAndLineReferenceDesc>
        <ExplanationTxt>Program accomplishment 4d Legacy preservation &amp; promotion continued: AIME LEADS SPECIAL PROJECTS TO HONOR AND ENHANCE THE LEGACY OF THE MINING AND METALLURGICAL INDUSTRY, INCLUDING THE ARCHIVE AND PRESERVATION OF ARTIFACTS, HISTORICAL INFORMATION SHARING ON MILESTONES, AND THE CAPTURE AND RECOGNITION OF RELATED, ORAL HISTORY.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART V, LINE 2A, 2B</FormAndLineReferenceDesc>
        <ExplanationTxt>THE ORGANIZATION'S PAYROLL AND PAYROLL TAX RETURNS FOR THE 2023 YEAR WERE PAID AND FILED UNDER A COMMON PAYMASTER ARRANGEMENT WITH THE SOCIETY FOR MINING, METALLURGY, AND EXPLORATION. As of July 2023, the organization no longer had any employees.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Section A, Line 2</FormAndLineReferenceDesc>
        <ExplanationTxt>trustee, dave kanagy, AND president-elect designate, steve gardner, both of the Society for Mining Metallurgy and Exploration (SME), have a business relationship, per the irs definition of a business relationship. trustee, Jim Robinson, AND president-elect /Treasurer, Elizabeth Holm, both of the Society for The Minerals Metals &amp; Materials (TMS), have a business relationship, per the irs definition of a business relationship. trustee, Mark Rubin, AND president, Jennifer Miskimins, both of the Society for Petroleum Engineers (SPE), have a business relationship, per the irs definition of a business relationship. trustee, Ron Ashburn, AND past president, Kevin Zeik, both of the Association for iron and steel technology (AIST), have a business relationship, per the irs definition of a business relationship. trustee, Ron Ashburn, AND board member, Ron O'Malley, both of the Association for iron and steel technology (AIST), have a business relationship, per the irs definition of a business relationship.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Section A , line 3</FormAndLineReferenceDesc>
        <ExplanationTxt>THE ORGANIZATION HIRED John Ehrig, OF Inventures, FOR CONTRACTED executive director SERVICES, starting effective as of June 2023. Inventures WAS PAID $62,674 DURING THE 2023 CALENDAR YEAR FOR administrative, bookkeeping, and executive director SERVICES. John Ehrig RECEIVED COMPENSATION THROUGH Inventures FOR SERVICES PROVIDED TO THE FILING ORGANIZATION, FOR THE CALENDAR YEAR 2023, THE SPECIFIC AMOUNT IS NOT KNOWN. THE COST OF THE CONTRACTED executive director and administrative SERVICES FOR THE filing YEAR ARE REFLECTED ON FORM 990, PART IX, Line 11 a.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION A, LINE 6</FormAndLineReferenceDesc>
        <ExplanationTxt>THE MEMBER SOCIETIES, AS LISTED WITHIN THE ORGANIZATION'S BYLAWS, ARE THE VOTING MEMBERS OF THE ORGANIZATION. THE MEMBER SOCIETIES ARE COMPRISED OF THE FOLLOWING ORGANIZATIONS: THE SOCIETY FOR MINING, METALLURGY, &amp; EXPLORATION ("SME"); THE MINERALS, METALS &amp; MATERIALS SOCIETY ("TMS"); ASSOCIATION FOR IRON AND STEEL TECHNOLOGY ("AIST"); AND SOCIETY FOR PETROLEUM ENGINEERS ("SPE") (COLLECTIVELY, THE "MEMBER SOCIETIES").</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION A, LINE 7A</FormAndLineReferenceDesc>
        <ExplanationTxt>EACH MEMBER SOCIETY IS ENTITLED TO ONE VOTE. EACH MEMBER SOCIETY IS ENTITLED TO APPOINT AND REMOVE TWO TRUSTEES AS THEIR REPRESENTATIVES. IN THE ANNUAL ROTATION IN AUGUST, EACH MEMBER SOCIETY APPOINTS A VOLUNTEER TRUSTEE TO SERVE INITIALLY AS PRESIDENT-ELECT DESIGNATE FOR A ONE-YEAR APPOINTMENT. THE ROTATION ORDER OF MEMBER SOCIETIES' APPOINTMENTS IS DETERMINED BY THE ORGANIZATION'S BYLAWS. THE PRESIDENT-ELECT DESIGNATE SERVES SUCCESSIVE AUTOMATIC ONE-YEAR APPOINTMENTS AS PRESIDENT-ELECT, PRESIDENT, AND IMMEDIATE PAST PRESIDENT, RESPECTIVELY.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION A, LINE 7B</FormAndLineReferenceDesc>
        <ExplanationTxt>THE FOLLOWING ACTS REQUIRE APPROVAL FROM THE MEMBER SOCIETIES: (1) AMENDMENTS TO THE ORGANIZATION'S BYLAWS AND GOVERNING DOCUMENTS, AND (2) ADDITION OR REMOVAL OF A MEMBER SOCIETY.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 11A</FormAndLineReferenceDesc>
        <ExplanationTxt>FORM 990 IS REVIEWED AND APPROVED BY THE EXECUTIVE DIRECTOR AND THE BOARD OF TRUSTEES BEFORE IT IS FILED with the irs.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 12C</FormAndLineReferenceDesc>
        <ExplanationTxt>ANNUALLY, THE ORGANIZATION REVIEWS AND DISCUSSES THE CONFLICT OF INTEREST POLICY AND REQUESTS THAT EACH BOARD TRUSTEE LIST AND ACKNOWLEDGE ANY KNOWN CONFLICTS. AT EACH BOARD MEETING, IF THERE IS A DISCUSSION OF SELECTING OR ENGAGING A VENDOR OR SERVICE PROVIDER, ALL IN ATTENDANCE ARE ASKED TO RECUSE THEMSELVES FROM THIS DISCUSSION IF THERE COULD BE A PERCEIVED CONFLICT.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Section B , line 15a &amp; b</FormAndLineReferenceDesc>
        <ExplanationTxt>for the partial year, January to June 2023, THE EXECUTIVE DIRECTOR'S COMPENSATION was DETERMINED BY THE BOARD OF TRUSTEES. EXTERNAL ASSOCIATION COMPENSATION DATA was REFERENCED AS A BENCHMARK. TRUSTEES were IN CHARGE OF COMPLETING A PERFORMANCE REVIEW OF THE EXECUTIVE DIRECTOR each YEAR. THE PRESIDENT made A RECOMMENDATION TO THE BOARD. THE BOARD THEN Approved THE EXECUTIVE DIRECTOR'S COMPENSATION WHEN APPROVING THE BUDGET FOR THE UPCOMING YEAR. THE ORGANIZATION HAS NO OTHER EMPLOYEE MEETING THE IRS DEFINITION OF A KEY EMPLOYEE. as of July 2023, the organization transitioned to a outside management company, and no longer had any paid employees.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION C, LINE 19</FormAndLineReferenceDesc>
        <ExplanationTxt>THE ORGANIZATION WILL PROVIDE IN A TIMELY MANNER, COPIES OF ALL GOVERNING DOCUMENTS INCLUDING ITS CONFLICT OF INTEREST POLICIES AND FINANCIAL STATEMENTS, WHEN REQUESTED IN WRITING OR IN PERSON. THE FORM 990 IS AVAILABLE UPON REQUEST AND AT WWW.GUIDESTAR.ORG.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990 PART VII, SECTION A, LINE 1A COLUMN E</FormAndLineReferenceDesc>
        <ExplanationTxt>COMPENSATION REPORTING FOR TRUSTEES OF AIME FROM THEIR RESPECTIVE RELATED PARTY ORGANIZATIONS MAY BE FOUND ON THE MAIN RELATED ORGANIZATION'S CURRENT YEAR 990 IRS FILING. THESE FILINGS ARE NOT AVAILABLE AT THE TIME OF AIME'S FILING DUE TO DIFFERENT FISCAL YEAR REPORTING REQUIREMENTS.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part vii, section B, line 1</FormAndLineReferenceDesc>
        <ExplanationTxt>Michele Lawrie-Munro was a employee of the American Institute of Mining Metallurgical (AIME) UNTIL June 2023. after June 2023, Ms.Lawrie-Munro SERVED BRIEFLY AS A CONTRACTED CONSULTANT FOR AIME DURING A PERIOD OF TRANSITION WITH THE NEW MANAGEMENT COMPANY. MS. LAWRIE-MUNRO ReceivED a 2023 form W-2 AS AN EMPLOYEE for the period of January 2023-June 2023, and a 2023 form 1099 for contracted services (July 2023-December 2023). Both forms of compensation have been reported within form 990, part vii, section a, line 1, column (d).</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART XII, LINE 2C</FormAndLineReferenceDesc>
        <ExplanationTxt>THERE HAS BEEN NO CHANGE IN THE SELECTION OF A FINANCIAL STATEMENT AUDITOR OR IN THE REVIEW OF THE FINANCIAL STATEMENT AUDIT, FROM PRIOR YEARS.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleO>
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      <IdRelatedTaxExemptOrgGrp>
        <DisregardedEntityName>
          <BusinessNameLine1Txt>ASSOCIATION FOR IRON AND STEEL TECHNOLOG</BusinessNameLine1Txt>
        </DisregardedEntityName>
        <USAddress>
          <AddressLine1Txt>186 THORN HILL DRIVE</AddressLine1Txt>
          <CityNm>WARRENDALE</CityNm>
          <StateAbbreviationCd>PA</StateAbbreviationCd>
          <ZIPCd>15086</ZIPCd>
        </USAddress>
        <EIN>200338690</EIN>
        <PrimaryActivitiesTxt>MEMBER PROG.</PrimaryActivitiesTxt>
        <LegalDomicileStateCd>PA</LegalDomicileStateCd>
        <ExemptCodeSectionTxt>501(C)(3)</ExemptCodeSectionTxt>
        <PublicCharityStatusTxt>LINE 10</PublicCharityStatusTxt>
        <DirectControllingEntityName>
          <BusinessNameLine1Txt>NA</BusinessNameLine1Txt>
        </DirectControllingEntityName>
        <ControlledOrganizationInd>false</ControlledOrganizationInd>
      </IdRelatedTaxExemptOrgGrp>
      <IdRelatedTaxExemptOrgGrp>
        <DisregardedEntityName>
          <BusinessNameLine1Txt>SOCIETY FOR MINING METALLURGY AND EXPLOR</BusinessNameLine1Txt>
        </DisregardedEntityName>
        <USAddress>
          <AddressLine1Txt>12999 E ADAM AIRCRAFT CIRCLE</AddressLine1Txt>
          <CityNm>ENGLEWOOD</CityNm>
          <StateAbbreviationCd>CO</StateAbbreviationCd>
          <ZIPCd>80112</ZIPCd>
        </USAddress>
        <EIN>742338444</EIN>
        <PrimaryActivitiesTxt>MEMBER PROG.</PrimaryActivitiesTxt>
        <LegalDomicileStateCd>CO</LegalDomicileStateCd>
        <ExemptCodeSectionTxt>501(C)(3)</ExemptCodeSectionTxt>
        <PublicCharityStatusTxt>LINE 10</PublicCharityStatusTxt>
        <DirectControllingEntityName>
          <BusinessNameLine1Txt>NA</BusinessNameLine1Txt>
        </DirectControllingEntityName>
        <ControlledOrganizationInd>false</ControlledOrganizationInd>
      </IdRelatedTaxExemptOrgGrp>
      <IdRelatedTaxExemptOrgGrp>
        <DisregardedEntityName>
          <BusinessNameLine1Txt>SOCIETY OF PETROLEUM ENGINEERS</BusinessNameLine1Txt>
        </DisregardedEntityName>
        <USAddress>
          <AddressLine1Txt>222 PALISADES CREEK DRIVE</AddressLine1Txt>
          <CityNm>RICHARDSON</CityNm>
          <StateAbbreviationCd>TX</StateAbbreviationCd>
          <ZIPCd>75080</ZIPCd>
        </USAddress>
        <EIN>752001539</EIN>
        <PrimaryActivitiesTxt>MEMBER PROG.</PrimaryActivitiesTxt>
        <LegalDomicileStateCd>TX</LegalDomicileStateCd>
        <ExemptCodeSectionTxt>501(C)(3)</ExemptCodeSectionTxt>
        <PublicCharityStatusTxt>LINE 10</PublicCharityStatusTxt>
        <DirectControllingEntityName>
          <BusinessNameLine1Txt>NA</BusinessNameLine1Txt>
        </DirectControllingEntityName>
        <ControlledOrganizationInd>false</ControlledOrganizationInd>
      </IdRelatedTaxExemptOrgGrp>
      <IdRelatedTaxExemptOrgGrp>
        <DisregardedEntityName>
          <BusinessNameLine1Txt>THE MINERALS METALS AND MATERIALS SOCIET</BusinessNameLine1Txt>
        </DisregardedEntityName>
        <USAddress>
          <AddressLine1Txt>5700 CORPORATE DRIVESUITE 750</AddressLine1Txt>
          <CityNm>PITTSBURGH</CityNm>
          <StateAbbreviationCd>PA</StateAbbreviationCd>
          <ZIPCd>15237</ZIPCd>
        </USAddress>
        <EIN>251484913</EIN>
        <PrimaryActivitiesTxt>MEMBER PROG.</PrimaryActivitiesTxt>
        <LegalDomicileStateCd>PA</LegalDomicileStateCd>
        <ExemptCodeSectionTxt>501(C)(3)</ExemptCodeSectionTxt>
        <PublicCharityStatusTxt>LINE 10</PublicCharityStatusTxt>
        <DirectControllingEntityName>
          <BusinessNameLine1Txt>NA</BusinessNameLine1Txt>
        </DirectControllingEntityName>
        <ControlledOrganizationInd>false</ControlledOrganizationInd>
      </IdRelatedTaxExemptOrgGrp>
      <ReceiptOfIntAnntsRntsRyltsInd>false</ReceiptOfIntAnntsRntsRyltsInd>
      <GiftGrntOrCapContriToOthOrgInd>true</GiftGrntOrCapContriToOthOrgInd>
      <GiftGrntCapContriFromOthOrgInd>false</GiftGrntCapContriFromOthOrgInd>
      <LoansOrGuaranteesToOtherOrgInd>false</LoansOrGuaranteesToOtherOrgInd>
      <LoansOrGuaranteesFromOthOrgInd>false</LoansOrGuaranteesFromOthOrgInd>
      <AssetSaleToOtherOrgInd>false</AssetSaleToOtherOrgInd>
      <AssetPurchaseFromOtherOrgInd>false</AssetPurchaseFromOtherOrgInd>
      <AssetExchangeInd>false</AssetExchangeInd>
      <RentalOfFacilitiesToOthOrgInd>false</RentalOfFacilitiesToOthOrgInd>
      <RentalOfFcltsFromOthOrgInd>false</RentalOfFcltsFromOthOrgInd>
      <PerformOfServicesForOthOrgInd>false</PerformOfServicesForOthOrgInd>
      <PerformOfServicesByOtherOrgInd>false</PerformOfServicesByOtherOrgInd>
      <SharingOfFacilitiesInd>true</SharingOfFacilitiesInd>
      <PaidEmployeesSharingInd>true</PaidEmployeesSharingInd>
      <ReimbursementPaidToOtherOrgInd>true</ReimbursementPaidToOtherOrgInd>
      <ReimbursementPaidByOtherOrgInd>false</ReimbursementPaidByOtherOrgInd>
      <TransferToOtherOrgInd>true</TransferToOtherOrgInd>
      <TransferFromOtherOrgInd>true</TransferFromOtherOrgInd>
      <TransactionsRelatedOrgGrp>
        <OtherOrganizationName>
          <BusinessNameLine1Txt>SOCIETY FOR MINING METALLURGY &amp; EXPLORATION</BusinessNameLine1Txt>
        </OtherOrganizationName>
        <TransactionTypeTxt>b</TransactionTypeTxt>
        <InvolvedAmt>426036</InvolvedAmt>
        <MethodOfAmountDeterminationTxt>cash payment</MethodOfAmountDeterminationTxt>
      </TransactionsRelatedOrgGrp>
      <TransactionsRelatedOrgGrp>
        <OtherOrganizationName>
          <BusinessNameLine1Txt>THE MINERALS METALS &amp; MATERIALS SOCIETY</BusinessNameLine1Txt>
        </OtherOrganizationName>
        <TransactionTypeTxt>b</TransactionTypeTxt>
        <InvolvedAmt>412636</InvolvedAmt>
        <MethodOfAmountDeterminationTxt>cash payment</MethodOfAmountDeterminationTxt>
      </TransactionsRelatedOrgGrp>
      <TransactionsRelatedOrgGrp>
        <OtherOrganizationName>
          <BusinessNameLine1Txt>ASSOCIATION FOR IRON AND STEEL TECHNOLOGY</BusinessNameLine1Txt>
        </OtherOrganizationName>
        <TransactionTypeTxt>b</TransactionTypeTxt>
        <InvolvedAmt>412636</InvolvedAmt>
        <MethodOfAmountDeterminationTxt>cash payment</MethodOfAmountDeterminationTxt>
      </TransactionsRelatedOrgGrp>
      <TransactionsRelatedOrgGrp>
        <OtherOrganizationName>
          <BusinessNameLine1Txt>SOCIETY FOR PETROLEUM ENGINEERS</BusinessNameLine1Txt>
        </OtherOrganizationName>
        <TransactionTypeTxt>b</TransactionTypeTxt>
        <InvolvedAmt>442636</InvolvedAmt>
        <MethodOfAmountDeterminationTxt>cash payment</MethodOfAmountDeterminationTxt>
      </TransactionsRelatedOrgGrp>
    </IRS990ScheduleR>
  </ReturnData>
</Return>
