USGS California Topographic Maps 1897-1918 Contra Costa County

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Historic Collection of USGS Topographical Maps for Contra Costa County California.

Includes the following map images:

  • Antioch (1908)
  • Bethany (1915)
  • Bouldin (1910)
  • Brentwood (1911)
  • Byron (1916)
  • Byron Hot Springs (1916) (not included on CD)
  • Carquinez (1901)
  • Colinsville (1918)
  • Concord (1897)
  • Jersey (1910)
  • Homker Bay (1918)
  • Lone Tree Valley (1917)
  • Mount Diablo (1898)
  • Napa (1902)
  • Pleasanton (1906)
  • San Francisco (1915)

This map set is available for download directly after the purchase is complete or for $5.00 a physical CD can be mailed to you.

View these historic maps on your computer screen, enlarged from the paper copies to allow for easy reading. Most have been enhanced by computer and manual editing to produce as much readable detail as possible (quality varies depending on the condition of the original). Researchers seeking old locations of towns, rivers, forts, etc. will find their work much easier.

These maps may be used on personal web sites and publications. Most files are in .gif format for quick downloading. Files are all designed to print clearly on standard 8.5 x 11-inch paper.

For download versions an email will be sent to you with a download link (Download files are compressed in .zip format to enable faster transfer)

Select "Mail Me a CD" in the options section if you would like a physical copy of the CD. CD’s are mailed USPS; expect 5- 10 days for delivery.

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