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        <DescriptionProgramSrvcAccomTxt>ROLL SIGN: Published 5 issues of our magazine "Roll Sign", totaling 96 pages. Each issue was mailed to over 700 members and complimentary recipients. Copies are also sold at retail outlets and by mail order.</DescriptionProgramSrvcAccomTxt>
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        <DescriptionProgramSrvcAccomTxt>EDUCATIONAL EXCURSIONS: From time to time the Association operates special trips using historic or modern transit equipment, often visiting historic sites or other places of interest. No such trips were operated this year, but we are planning for trips in future years.</DescriptionProgramSrvcAccomTxt>
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        <DescriptionProgramSrvcAccomTxt>PUBLICATIONS: Our volunteer staff continued planning, research, and writing for books to be issued in future years. Only minimal expenses were incurred this year, and costs were not tracked separately.</DescriptionProgramSrvcAccomTxt>
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        <DescriptionProgramSrvcAccomTxt>PUBLIC INQUIRIES: We respond to many historical inquiries from the public, including government agencies, the news media, and students. These inquiries are handled by our volunteer staff, and costs are not tracked separately.</DescriptionProgramSrvcAccomTxt>
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        <PersonNm>Thomas Athearn</PersonNm>
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        <TotalAmt>2475</TotalAmt>
      </OtherIncome509Grp>
      <TotalSupportCalendarYearGrp>
        <CurrentTaxYearMinus4YearsAmt>85244</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>110158</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>85368</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>80718</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>101952</CurrentTaxYearAmt>
        <TotalAmt>463440</TotalAmt>
      </TotalSupportCalendarYearGrp>
      <PublicSupportCY509Pct>0.95615</PublicSupportCY509Pct>
      <PublicSupportPY509Pct>0.95725</PublicSupportPY509Pct>
      <InvestmentIncomeCYPct>0.00082</InvestmentIncomeCYPct>
      <InvestmentIncomePYPct>0.00082</InvestmentIncomePYPct>
      <ThirtyThrPctSuprtTestsCY509Ind>X</ThirtyThrPctSuprtTestsCY509Ind>
      <Form990ScheduleAPartVIGrp>
        <FormAndLineReferenceDesc>Schedule A, Part III, Line 12</FormAndLineReferenceDesc>
        <ExplanationTxt>Line 12, column (b): The $2,475 amount for tax year 2019 is a refund that we received of program expenses that we had paid in a prior year, for events that had to be cancelled due to the pandemic in calendar year 2020.</ExplanationTxt>
      </Form990ScheduleAPartVIGrp>
    </IRS990ScheduleA>
    <IRS990ScheduleB documentId="R000003" softwareId="22015720" softwareVersionNum="v1.00">
      <ContributorInformationGrp>
        <ContributorNum>RESTRICTED</ContributorNum>
        <ContributorBusinessName>
          <BusinessNameLine1>RESTRICTED</BusinessNameLine1>
        </ContributorBusinessName>
        <ContributorUSAddress>
          <AddressLine1>RESTRICTED</AddressLine1>
          <AddressLine2>RESTRICTED</AddressLine2>
          <City>RESTRICTED</City>
          <State>RESTRICTED</State>
          <ZIPCode>RESTRICTED</ZIPCode>
        </ContributorUSAddress>
        <TotalContributionsAmt>RESTRICTED</TotalContributionsAmt>
      </ContributorInformationGrp>
    </IRS990ScheduleB>
    <IRS990ScheduleO documentId="R000004" softwareId="22015720" softwareVersionNum="v1.00">
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990-EZ, Part I, Line 8</FormAndLineReferenceDesc>
        <ExplanationTxt>Description;Amount^Shipping and handling charges collected;1939|Massachusetts sales tax collected;567|Debit card cash back;135|Overpayments received from retail customers;21^Total;2662^</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990-EZ, Part I, Line 16</FormAndLineReferenceDesc>
        <ExplanationTxt>Description;Amount^Contract labor for restoration of historic streetcar;27270|Parts and supplies for restoration of historic streetcar;4806|Telecommunications;1395|Insurance;946|Bank and credit card fees;892|Supplies and equipment;747|Conferences and meetings attended;532|Travel and transportation;259|Memberships and subscriptions;245|State filing fees;50|Photocopying;8|Sales tax remitted to Commonwealth of Massachusetts;575^Total;37725^</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleO>
  </ReturnData>
</Return>
