1 finding aid(s) found containing the word(s) Air quality--United States.

  1. William Hoppen papers, 1831-1998

    150,000 items ; 431 containers plus 6 oversize ; 182 linear feet -- Manuscript Division, Library of Congress, Washington, D.C.

    Summary:

    Lawyer and environmental activist. Correspondence, memoranda, a collection inventory, litigation files, legal research, legislative bills, meeting agenda and minutes, reports, proposals, hearing transcripts, organizational mailings, newsletters, fact sheets, handbooks, flyers, brochures, pamphlets, press releases, posters, lists, notes, petitions, speeches, statements, financial records, maps,...