- "Botany," volume 4 of Report of the geological exploration of the 40th parallel made by order of the Secretary of War according to acts of Congress of March 2,1867, and March 3, 1869, under the direction of Brig. and Bvt. Major General A. A. Humphreys, Chief of Engineers by Clarence King, U. S. geologist, (1871)
Works about Sereno WatsonEdit
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