Relief shown by hachures.
"Compiled at Regional Office, Albuquerque, from U.S.G.S., G.L.O., Forest Service, and other surveys by C.G. Johnson, 1933. Traced by F.G. Rawlins and B. Elliott, December, 1933. Revised by F.G. Rawlins, 1937."
"New Mexico Principal Meridian."