This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Keywords from Image Description:
San Francisco Mountain region. Showing character of the mountains and high plateau regions of the NARA .tif Scope and content General notes Local identifier PS War Department Office of the Chief of Engineers Powell Survey ca NARAAuthor Beaman Elias Olcott Photographer File SanFranciscoMountainregion ShowingcharacterofthemountainsandhighplateauregionsoftheBasinofthe