7.5' topographical quadrangle of Harrison Canyon and surrounding area, Graham County, Arizona.
- North American Datum of 1983 (NAD 83). Projection and 1000-meter grid: Universal Transverse Mercator, zone 12 2500-meter ticks: Arizona Coordinate System of 1983 (east zone)
- North American Datum of 1927 (NAD 27) is shown by dashed corner ticks. The values of the shift between NAD 83 and NAD 27 for 7.5-minute intersections are obtainable from National Geodectic Survey NADCON software
|Latitude||32° 30' 0? N to 32° 37' 30? N
|Longitude||110° 15' 0? W to 110° 7' 30? W