United States, Forest Service. traced by E.L. Mehurin, 1927 ; revised in by G.L. Nichols, 1928, revised by M.W. Bird in 1934, revised by M.H. Lewis in 1936. Relief shown by hachu... USFS.
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United States, Forest Service. compiled at the regional office by M.H. Lewis, traced by M.W. Bird. "Boise and Salt Lake Meridians." Relief shown by hachures. Map shows Main highw... Regional Office, USFS.