Survey of the California State Ownership in the Bed of the Colorado River, Vicinity of Cibola Valley; Sheet 1-A of 21; Chronological Development of Colorado River Channel Alignments
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.