Alternative title	Filing title: Arched Rock, Calif.
Title	Arched Rock 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 ; topography by M.H. Ware.
Contributor	Geological Survey (U.S.)
Publisher	The Survey,
Date published	1944
Spatial coverage	Scale 1:31,680 ;Polyconic projection(W 123{deg}15{softsign}00{hardsign}--W 123{deg}07{softsign}30{hardsign}/N 38{deg}38{softsign}00{hardsign}--N 38{deg}22{softsign}30{hardsign}).
Physical description	1 map : color ; on sheet 68 x 56 cm
General notes	Relief shown by contours and spot heights.; "Surveyed in 1942."
Subject	California
Local call number	flat setG4360 s3168.G4
Technical information	Scanner - Contex SD3600 series. Software - Nextimage and Adobe Photoshop CS4; Scanned at 600 dpi, 10248 x 12805 pixels, 375 MB; Bit depth 24; uncompressed.