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Mother, Is the Old Home Lonely?

ContributorsBlake, Charles D. (Composer) / French, Arthur W. (Lyricist) / Wm. A. Pond & Co. (Publisher)
Created1875
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Improving Visitor Communications in Grand Canyon National Park

ContributorsGreenberg, Laura B. (Author) / Underhill, A. Heaton (Author) / Cooperative National Park Resources Studies Unit, University of Arizona (Publisher)
Created1986-03
DescriptionCooperative National Park Resources Study Unit of Arizona, a special report, v no. 4, improving viistor communciation in Grand Canyon National Park
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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.