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

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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.
Temas:
Blake, Henry Elwyn, > -1980.
River engineering > Colorado River Watershed (Colo.-Mexico) > History.
Boaters (Persons) > Colorado River Watershed (Colo.-Mexico) > Biography.
Canyons > Colorado River Watershed (Colo.-Mexico)
Technologie fluviale > Colorado, Bassin du (Col.-Mexique) > Histoire.
Canyons > Colorado, Bassin du (Col.-Mexique)
TRAVEL > Museums, Tours, Points of Interest.
TRAVEL > Hikes & Walks.
TRAVEL > Budget.
TRAVEL > Special Interest > Ecotourism.
TRAVEL > Parks & Campgrounds.
TRAVEL > Reference.
TRAVEL > Road Travel.
TRAVEL > Special Interest > Adventure.
Boaters (Persons)
Canyons.
River engineering.
Travel.
Colorado River Watershed (Colo.-Mexico) > Description and travel.
Colorado River Watershed (Colo.-Mexico) > Surveys.
Colorado, Bassin du (Col.-Mexique) > Descriptions et voyages.
Colorado, Bassin du (Col.-Mexique) > Levés.
North America > Colorado River Watershed.
Electronic books.
Biography
Biographies.
History.
Surveys.
Acceso en línea:Texto completo

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