Barcode	10032293
Title	U.S. Coast Survey Register No. 721, Preliminary Chart of Approaches and Entrance to San Francisco Bay, CA; Sheet No. 2
Map date	1858-01-01
Map index name/number	-
Geographic area	Pacific Ocean, South Farallones, North Farallones, Farallon Islands, Point Reyes, Drakes Bay, Duxbury Reef, Baulenes Bay, Pt Boneta, Pt Lobos, Point Pedro, San Francisco, San Francisco Bay, Golden Gate, Fort Point, Yerba Buena Island, Alcatraz Is
Location	Marin,San_Francisco,San_Mateo,Alameda,Contra_Costa
Subject	California--Maps
Map type	Map
Map size	30x42 in.
Approximate location	x -122.255412052445, y 37.5242475908529
Scale	1:10000
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.