Matching Items (4)
Filtering by
- All Subjects: Grand Canyon National Park (Ariz.)
- Creators: Battelle Memorial Institute. Technology Partnership Practice
- Creators: Riordan, M. J.
ContributorsRiordan, M. J. (Author)
Created1924-03-17
Description
Letter from M. J. Riordan to Carl Hayden expressing his opposition to the federal government's takeover of Bright Angel Trail.
ContributorsRiordan, M. J. (Author)
Created1924-03-07
Description
Letter from Michael J. Reardon to Carl T. Hayden, in agreement with Ralph Cameron, asserting that Bright Angel Trail should not be sold from Coconino County to the United States.
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.
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.