Townships 15&16 South Ranges 21,22,&23 East of the San Bernardino Meridian, CA & Townships 16 South Ranges 22&23 of the San Bernardino Meridian, Arizona. Dependent Resurvey and Survey of Accretion, Yuma Indian Reservation.
Scanner - Contex SD3600 series and Contex HD5450 Plus Large Format A2 sieres. Software - Nextimage and Adobe Photoshop CS4. Maps sma er than/or equal 14 inches on the long side scanned at 1200 dpi; maps 15-39 inches scanned at 600 dpi; 40 inches or larger scanned at 400 dpi. Bit depth 8; TIFF.