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  1. Apr 26, 2020 · During this same era, gold fever struck California. The General Mining Law of 1872 permitted individuals to stake a claim on an area of land where a mineral deposit was discovered. Copper, iron, gold and silver mines rapidly became established in the Mojave.

  2. Valley Fever Maps and History | Valley Fever Survivor

    Jul 15, 2020 · The Endemic Area Maps with Valley Fever History The first map below shows areas of the United States in red where mass skin testing revealed coccidioidomycosis as an endemic disease in 1957. The following map shows where new outbreaks have led to a new understanding of the disease and an expansion of its known and suspected risk areas.

  3. California Data Exchange Center - Stations

    State of California. River Stage Maps (Real-Time) NWS California-Nevada River Forecast Center

  4. Rocky Mountain Spotted Fever (RMSF) - Infectious Diseases ...

    Clinicians should suspect Rocky Mountain spotted fever in any seriously ill patient who lives in or near a wooded area anywhere in the Western Hemisphere and has unexplained fever, headache, and prostration, with or without a history of tick contact. A history of tick bite is elicited in about 70% of patients.

  5. Rocky Mountain Spotted Fever: Pictures and Long-Term Effects

    Aug 28, 2018 · Rocky Mountain spotted fever (RMSF) is a bacterial infection spread by a bite from an infected tick. It causes vomiting, a sudden high fever around 102 or 103°F, headache, abdominal pain, rash ...

  6. Seasonal Allergy Map: Tracking Current Allergy Trends

    Apr 10, 2019 · The WebMD symptom map is powered by, and your use is governed by their privacy policy. Reviewed by Neha Pathak, MD on April 10, 2019 Sources:

  7. The Gold Rush of 1849 - Facts, Summary & Video - HISTORY

    Mar 30, 2020 · Effects of the California Gold Rush: Gold Fever. Though Marshall and Sutter tried to keep news of the discovery under wraps, word got out, and by mid-March at least one newspaper was reporting ...

  8. The gold nugget was found in southern California on the south side of the El Paso Mountain Range, near Randsburg, California. (Cuddleback Lake Gold Map.) The picture to the right is Mt. Shasta . NORTHERN CALIFORNIA GOLD MAPS . A portion of the Happy Camp Gold Map near Weed, California, is shown below.

  9. California - HISTORY

    Mar 13, 2019 · The first Spanish missionaries arrived in California in the 1700s, but California didn’t become a U.S. territory until 1847, as part of the treaty ending the

  10. Mike Ballard's "Historical Highways of Central and Southern California" pages. This includes information on US 6 and US 99, as well as information on unbuilt freeways, maps, East Los Angeles interchanges, and much, much more. Casey Cooper's "Historic US Highways of California".