Letter from George W. Kimball to Carl Hayden with an enclosed map detailing the cattle and sheep allotments on the portion of the Tusyan Forest next to the Grand Canyon. Listed are names of permit holders in both stock and allotment that are most likely to trespass into the park. The names are: W. F. Griffin, W. W. Bass, H. R. Lauzon, Swanner and Griffin, Bankhead and Henderson, Martin Buggeln, Babbitt Brothers, Sanford Rowe, and P. D. Berry.

To facilitate development of the Environmental Impact Statement which must accompany the Section 10 multi-species conservation proposal, a series of issue papers were prepared. In Pima County, ranching is uniquely able to preserve the integrity of vast tracts of connected and unfragmented open space and wildlife habitat. This study reviews the effect of five alternative permit strategies on the County's ability to preserve unfragmented landscapes through conserving ranch lands.