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ContributorsDutton, Clarence (Author) / United States Geological Survey (Publisher)

Geological examination of the park canyonland, with description of the rocks, water sculping process, volcanic cones and outflows, and land erosion. This edition is Volume 2, 1977 reprint, of the author's 1882 monograph. Includes 12 color maps, 10 color views and is number 280/1500.

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ContributorsGoodman, Frank R. (Author)

Letter from F. R. Goodman to Carl Hayden expressing Coconino County's interest in handing over Bright Angel Trail to the government provided a sufficient amount of money is appropriated to build a road from Maine to the Grand Canyon.

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ContributorsGoodman, Frank R. (Author)

Letter from F. R. Goodman to Carl T. Hayden asking for clarification about the agreement to construct an approach road to the park

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ContributorsPeabody, Henry G. (Cartographer) / United States Geological Survey (Publisher)
DescriptionColor outline map of Grand Canyon National Park. Circa 1930.
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ContributorsUnited States Geological Survey (Publisher)
DescriptionAerial survey, contour map of proposed Fredonia-Toroweap road.