Circa 1960-1995 Geology of McCarthy Quadrangle
Rosenkrans D and Rosenkrans DS. 1995. Circa 1960-1995 Geology of McCarthy Quadrangle
Aerial counts, using pilot and observer, involved low-level flights over "sample units" 6 and 7. Sheep observed were classified as ewe, ram, yearling or lamb. Rams were further classified by extent of curl. Dates: July 22 and 26 of 2001.