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1
Damming Grand Canyon The 1923 USGS Colorado River Expedition /
Published 2007Full text available:
Electronic eBook -
2
Hell Or High Water James White's Disputed Passage through Grand Canyon, 1867 /
Published 2001Full text available:
Electronic eBook -
3
Exploring Desert Stone John N. Macomb's 1859 Expedition to the Canyonlands of the Colorado /
Published 2010Full text available:
Electronic eBook -
4