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Letter From B. F. Gavin (for Carl Hayden) to Stephen Mather, National Park Service

ContributorsGavin, B. F. (Author)
Created1925-06-23
Description

Letter from Mrs. B. F. Gavin to Stephen Mather regarding the sale of Bass properties to the Santa Fe Railroad Company.

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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.