Duncans Mills quadrangle, California (Sonoma County)[cartographic material] :7 1/2-minute series /United States, Department of the Interior, Geological Survey ; War Department, Corps of Engineers, U.S. Army.
Alternative title
Filing title : Duncans Mills , Calif .
Title
Duncans Mills quadrangle , California (Sonoma County)[cartographic material] :7 1/2-minute series /United States , Department of the Interior , Geological Survey ; War Department , Corps of Engineers , U.S . Army .
Contributor
Geological Survey (U.S.) ; Geological Survey (U.S.) ; United States . Army . Corps of Engineers .
Publisher
The Survey ,
Date published
[1945]
Spatial coverage
Scale 1:31,680;Polyconic projection(W123{deg}7'30 " -- W123{deg}/ E38{deg}30 " -- E38{deg}22'30"")
Physical description
1 map : color ; 44 x 35 cm
General notes
Relief shown by contours and spot heights. ; "Mapped by the Geological Survey 1942-1943. "
Subject
California ; Sonoma County (Calif.)
Local call number
flat setG4360 s3168.G4
Technical information
Scanner - Contex SD5400 series . Software - Nextimage and Adobe Photoshop CS4 ; Scanned at 600 dpi , 10302 x 12910 pixels , 250 MB ; Bit depth 24 ; uncompressed .
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California Historical Topographic Maps
