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Rough-water man : Elwyn Blake's Colorado River expeditions /

In 1902 the passage of the Reclamation Act and its mandate for the federal government to build dams for irrigation in the West created a need for accurate topographical surveys and geological studies of the rivers where the dams would be built. By 1920 the U.S. Geological Survey (USGS) and other age...

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Detalles Bibliográficos
Clasificación:Libro Electrónico
Autor principal: Westwood, Dick, 1921-
Formato: Electrónico eBook
Idioma:Inglés
Publicado: Reno, Nev. : University of Nevada Press, ©1992.
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Acceso en línea:Texto completo
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por Westwood, Dick, 1921-
Publicado 1992
Texto completo
Electrónico eBook