Корично изображение Електронна книга

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...

Пълно описание

Основен автор: Westwood, Dick, 1921-
Формат: Електронна книга
Език: English
Публикувано: Reno, Nev. : University of Nevada Press, ℗♭1992.
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Онлайн достъп: http://search.ebscohost.com/login.aspx?direct=true&scope=site&db=nlebk&AN=28135
Подобни документи: Print version:: Rough-water man.