Water supply of the Queen Creek and Magma areas in Maricopa and Pinal Counties, Arizona / Harold G. Schwalen. 1943 April.
Related Entities
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United States. Forest Service
http://n2t.net/ark:/99166/w6qn9w3d (corporateBody)
The evolution of the USDA Forest Service is rooted in the General Provision Act of l89l in which Congress authorized the President to designate particular areas of the forested public domain to be set aside as "reserves" for future use. The number and size of these reserves increased notably in l897 when the President was authorized to establish reserves in order to protect watersheds, to preserve timber, and to provide lumber for local use. There was no provision for management or...
Schwalen, Harold Christy, 1895-1987
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Agricultural engineer and chairman of University of Arizona Agricultural Engineering Dept., of Tucson, Ariz. From the description of Papers, ca. 1919-1964. (University of Arizona). WorldCat record id: 29309332 Agricultural engineer, University of Arizona, 1919-1965. Head of Agriculture Engineering Dept., 1949-1959. Served with Guayule Emergency Rubber Project, U.S.D.A., 1942-1943. From the description of Harold Christy Schwalen papers, 1896-1967 (bulk 1919-1965)....
