• Mines,  Oklahoma

    Bertha Rogers

    The Lone Star Producing Company’s oil exploratory hole, Bertha Rogers, was 9.583 metres deep, and the worlds deepest hole between 1974 and 1979, where the Soviet Union broke the record with the Kola Superdeep Hole. The drilling was done with…

  • California,  Ghost towns,  Mines,  Schools and Education


    Established in 1881. Largest silvermine in California, by the late 1800’s More than 500 mines, and a population of 3,500 people. In 1896 the government decided to regulate the price of silver, by introducing the “Silver Purchase Act”, witch made…