Damming Grand Canyon : The 1923 USGS Colorado River Expedition
- Author
- Diane E. BoyerRobert H. WebbMichael Collier
- Publisher
- University Press of Colorado
- Language
- English
- Year
- 2007
- Page
- 304
- ISBN
- 9780874216653,9780874216608
- File Type
- pdf
- File Size
- 2.5 MiB
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