Rio Colorado of the West, Map No. 1; Exploration and Surveys. War Department.
Barcode
10002095
Title
Rio Colorado of the West , Map No . 1 ; Exploration and Surveys . War Department .
Map date
1858-01-01
Map index name/number
LRA-283
Geographic area
California , New Mexico , Gulf of New Mexico , Opal Mountains , Chemehuevis Valley , Dome Rock Range , Great Colorado Valley , Mojave Range , Black Mountains , Dead Mountain , Black Canyon , Rio Colorado
Location
Imperial,Riverside,San Bernardino
Subject
California--Maps
Map type
Aerial
Approximate location
-114.473613431854,34.6879949422406
Scale
1 in. = 6 miles 1:380160
Digital format
JPG2000
Technical information
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.
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 .
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