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by Patty, Ernest N. (Ernest Newton), 1894-1976
Published 1921 -
by Shedd, Solon, 1860-1941
Published 1924 -
by Alt, David D.
Published 1984 -
by Savage, C. N., 1916-1979
Published 1969 -
by Weaver, Charles E. (Charles Edwin), 1880-1958
Published 1920 -
by Weed, Walter Harvey, 1862-1944
Published 1912 -
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