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76 - 77 of 77 Items << < 1 2 3 4
76 - 77 of 77 Items << < 1 2 3 4
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127 page draft of history of the Glen Canyon area, focusing on Spanish-Mexican exploration, U.S. government exploration, Mormon settlements, mining activities, irrigation and agriculture; makes reference to the Glen Canyon Archaeological Survey of...
1959-06-30
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Thermofax of map (1 p) of transmission lines for the Colorado River Storage Project.
2005-06-07 |
