Townships 15 and 16 South, Ranges 21, 22 and East, of The San Bernardino Meridian. California and Townships 16 South, Ranges 22 and 23 East, 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 series. Software - Nextimage and Adobe Photoshop CS4. Maps smaller 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.