Powell Survey of Colorado River Continued
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PrintUnited States Congress appropriates $12,000 for continuing the 1869-1872 survey of the Colorado River by John Wesley Powell, under direction of the Secretary of the Smithsonian. The expedition surveyed the geology, ethnography, and natural history of the region.
Chronology of Smithsonian History
Institutional History Division, Smithsonian Institution Archives, 600 Maryland Avenue, S.W., Washington, D.C. 20024-2520, SIHistory@si.edu
March 3, 1871