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  1. Historical Maps of California. Journey back in time with 16,595 historical maps of California, dating from 1886 to present day. Explore and discover the history of California through detailed topographic maps, featuring cities, landmarks, and geographical changes.

    • Old Historical Atlas Maps of California
    • Map of California County Formations 1850-1925
    • California County Maps of Road and Highway’s

    This Historical California Map Collection are from original copies. Most historical maps of Californiawere published in atlases and spans over 150 years of growth for the state. Some California mapsyears have cities, railroads, P.O. locations, township outlines, and other features useful to the California researcher.

    This Interactive Map of California Countiesshow the historical boundaries, names, organization, and attachments of every county, extinct county and unsuccessful county proposal from the creation of the California territory in 1850 to 1925. powered by Advanced iFrame. Get the Pro version on CodeCanyon.

    The California D.O.T. Highway Department does not have California County Mapsavailable at this time.

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  3. This map shows the perimeters of more than 20,000 wildfires that have been recorded in California from 1878 to 2020 using data from Cal Fire, the National Parks Service, the U.S. Forest...

  4. The Historical California Topographical Maps collection contains over 700 maps of California quadrangle maps issued by the United States Geological Survey. The maps cover the entire state of California in three sizes -- 15-minute, 30-minute, and 60-minute.

  5. Dec 19, 2019 · Historic Topographic Maps of California: Home. This project provides web access to the topographic quadrangles produced by the US Geological Survey between 1885 and 2003. It includes selected editions of 7.5- & 15-minute quads covering the San Francisco Bay Area and the Monterey Bay regions.

    • Susan Powell
    • 2015
  6. Old Maps of California (oldmapsonline.org) MAPS. A General Map of California during Spanish and Mexican Occupation, 1542-1847 (Dillon Lauritzen) The Spanish Missions of Alta California, 1769-1823 (California Frontier Project) A New Map of Texas, Oregon, and California, 1846 (Samuel A. Mitchell)

  7. Sep 15, 2022 · Author summary Our analysis of the last 40 years of reported Rocky Mountain spotted fever (RMSF) in California included cases that met specific inclusion criteria which highlighted new information. First, there are two distinct epidemiologic patterns which are illustrated with detailed descriptions of two fatal cases. The typical sylvatic cycle involves transmission by Dermacentor spp. ticks ...

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