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Letter From M. R. Tillotson to Carl Hayden

ContributorsTillotson, Miner Raymond (Author)
Created1935-10-08
Description

Letter from Miner Tillotson to Carl Hayden in regards to a request for two small blue spruce trees from the North Rim.

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Terminal Area Plan for Grand Canyon National Park Airport

ContributorsBattelle Memorial Institute. Technology Partnership Practice (Contributor)
Created2009-12
Description

This plan was undertaken by the Arizona Department of Transportation Multimodal Planning Division Aeronautics Group to evaluate and recommend a terminal area layout to meet anticipated terminal area demands.

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Simulating the Effects of Glen Canyon Dam Releases on Grand Canyon River Trips

ContributorsUnderhill, A. Heaton (Author) / Borkan, Ronald E. (Author) / Battelle Memorial Institute. Technology Partnership Practice (Publisher)
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.