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Damming Grand Canyon the 1923 USGS Colorado River expedition / by Boyer, Diane E. Publication: Logan, Utah : Utah State University Press, 2007 . xiii, 289 p. : Date: 2007 Availability: No items available:

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Damming Grand Canyon the 1923 USGS Colorado River expedition / by Boyer, Diane E. Publication: Logan, Utah : Utah State University Press, 2007 . xiii, 289 p. : Date: 2007 Availability: No items available:

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