Barcode	10018560
Title	U.S. Coast and Geodetic Survey, Register No. 4229; San Pablo Bay, Petaluma Creek and Entrance
Map date	1921-11-15
Map index name/number	-
Geographic area	San Pablo Bay, Petaluma Creek, Petaluma Point, Black Point, Hog Island, San Antonio Creek
Location	Marin , Sonoma
Subject	California--Maps; Marin County (Calif.)--Maps; Sonoma County (Calif.)--Maps
Map type	Survey Map
Map size	18x24 in.
Approximate location	x -122.521637065766, y 38.1415398230296
Scale	1 in. = 10000 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.