User-friendly access to an extensive historical California map collection. High definition, color and gray-scale images display important historical details not visible on black and white map scans. ...
LUNA Commons is a resource for finding valuable, educational content from digital collections built in the Insight software from Luna Imaging, Inc.
Guide to Sanborn fire insurance maps at the Sonoma County Library -- part of a uniform series of large-scale maps, dating from 1867 to the 1950s and depicting the commercial, industrial, and...
Maps of Sonoma County and surrounding areas from the late 19th through 20th century
A selection of historical Sonoma County maps held by the Sonoma County Library