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ContributorsGoodman, Frank R. (Author)
Created1922-11-22
Description

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)
Created1924-07-12
Description

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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ContributorsMitchell, Guy E. (Author) / Appalachia (Publisher)
Created1924-04-01
DescriptionBoat Survey of the Grand Canyon, Appalachia, Vol. XV, No. 4.
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Created1986-04
Description

Cooperative National Park Resources Studies Unit for University of Arizona, effects on Glen Canyon Dam releases on Grand Canyon River trips, a technical report, vol. no. 16.

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Created1986-03
DescriptionCooperative National Park Resources Study Unit of Arizona, a special report, v no. 4, improving viistor communciation in Grand Canyon National Park