Barcode	10002040
Title	Colorado River Front Work and Levee System Project, Preconstruction Survey; Colorado River, Needles to Topock; Sheet 2 of 4
Map date	1948-02-19
Geographic area	Colorado River, California, Arizona, Needles, Walsh Ranch, Topock, Three Mile Lake
Location	San Bernardino
Subject	California--Maps; San Bernardino County (Calif.)--Maps
Map type	Survey Map
Map size	30x42 in.
Approximate location	-114.54901,34.81226
Scale	1 in. = 1000 ft.
Digital format	JPG2000
Technical information	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.
Owning institution	California State Lands Commission
Funding source	The digitization of maps that are part of this collection was funded through a grant awarded to California State University, Fresno by the National Historical Publications and Records Commission.
Rights	© 2018 California State Lands Commission - Permission is granted to any individual to copy and use this material as long as this copyright statement is included, no editing or alteration is made to the material, and the copies are not sold, licensed, or otherwise used for commercial gain.