Washington,: Govt. Print. Off., 1912.
scientific article published in 1924
1851-1940 | Smithsonian Institution Archives
WashingtonThe Smithsonian Institution1908
Washington: Govt. Print. Off., 1891.
scientific article published in 1891
1875 article by Charles Doolittle Walcott
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scientific article by C. D. Walcott
Washington?: s.n., 1889?
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1879-1882 | Smithsonian Institution Archives
undated | Smithsonian Institution Archives
undated | Smithsonian Institution Archives
Washington, Govt. print. off., 1898.
scientific article published on 01 January 1907
Washington, Govt. print. off., 1892.
Washington :Govt. Print. Off.,1899. | University of Connecticut Libraries (archive.org
scholarly article by Arnold Hague published in January 1899
scholarly article
article by C.D. Walcott
article published in 1899
scholarly article by Charles Doolittle Walcott published in January 1899
scientific article by C. D. Walcott
scholarly article
Washington: G.P.O., 1884.
Washington, Govt. print. off., 1884.
scholarly article
article published 1886 in U.S. Geological Survey Bulletin
article published in 1896
article by Charles Doolittle Walcott published 1896 in U.S. Geological Survey Bulletin
scientific article published in 1890
Ottawa: Canada Dept. of Mines, Geological Survey Branch, 1912.
scholarly article by Charles Doolittle Walcott published in January 1900
scholarly article published 1901
scholarly article published 1901
scholarly article published 1903
article
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