Scale 1:50,000 (W 110°07ʹ30ʺ--W 109°52ʹ30ʺ/N 32°05ʹ00ʺ--N 31°52ʹ00ʺ).
Note:
Relief shown by contours and spot heights. Text, 1 table, and 2 index maps on sheet. "Total intensity magnetic field contours at 10 gamma intervals." "Complete Bouguer gravity field contours at 2-mgal intervals."