Press release on the increase in wildlife in the Grand Canyon including mountain sheep, deer, and the Abert Squirrel.
Senator Carl T. Hayden Papers (1851-1979), Grand Canyon National Park- Bright Angel Trail, approach roads, misc. correspondence, clippings, press releases, 1924. MSS 1. Greater Arizona Collection. ASU Library, Arizona State University, Tempe, AZ. http://azarchivesonline.org/xtf/view?docId=ead/asu/hayden.xml
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