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by Piper, Charles V. (Charles Vancouver), 1867-1926
Published 1906 -
by Abrams, Le Roy, 1874-1956
Published 1923 -
by Hitchcock, C. Leo (Charles Leo), 1902-1986
Published 1955 -
by Detling, LeRoy E., 1898-1967
Published 1968 -
by Lyons, C. P. (Chester Peter), 1915-
Published 1956 -
Report of the Geological exploration of the fortieth parallel made by order of the Secretary of War according to the acts of Congress of March 2 1867 and March 3 1869under the direction of A A Humphreys chief of engineersConference Proceeding BookPublished 1870
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by Frye, Theodore C. (Theodore Christian), 1869-1962
Published 1914