1 finding aid(s) found containing the word(s) United States Geological Exploration of the Fortieth Parallel (1867-1881).

  1. Samuel Franklin Emmons papers, 1725-1914

    14,000 items. 41 containers plus 1 oversize. 16.4 linear feet. 1 microfilm reel. -- Manuscript Division, Library of Congress, Washington, D.C.


    Geologist. Diaries and field notes, letterbooks, correspondence, family papers, subject files, photographs, printed matter, and miscellaneous material relating chiefly to Emmons's family and his career as a geologist.