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  1. North American beaver - Wikipedia

    en.wikipedia.org/wiki/North_American_beaver

    1 day ago · The term "beaver fever" is a misnomer coined by the American press in the 1970s, following findings that the parasite Giardia lamblia, which causes giardiasis, was putatively carried by beavers. Further research has shown that many animals and birds carry this parasite, and the major source of water contamination is by humans.

  2. California Gold Rush - Wikipedia

    en.wikipedia.org/wiki/California_Gold_Rush

    1 day ago · Lawson's map of the Gold Regions is the first map to accurately depict California's Gold Regions. Issued in January 1849, at the beginning of the California Gold Rush, Lawson's map was produced specifically for prospectors and miners. A Correct Map of the Bay of San Francisco and the Gold Region from actual Survey June 20th. 1849 for J.J. Jarves.