Notes on the Geography of The Western United States: Grass Valley, Nevada City, and Downieville: Photo 7
Between the Gold Rush and 1883, a lot of gold was produced by blasting hillsides with high-pressure water streams. Here in Nevada City, four miles north of Grass Valley, is one of the old nozzles or "monitors." Hydraulic mining came to a court-ordered halt across the state because, along with gold, it produced huge amounts of sediment that washed downstream, destroying farmland.
Short link for this page: http://www.greatmirror.com?justpic=17553
* Argentina * Australia * Austria * Bangladesh * Belgium * Botswana * Brazil * Burma / Myanmar * Cambodia (Angkor) * Canada (B.C.) * China * The Czech Republic * Egypt * Fiji * France * Germany * Ghana * Greece * Guyana * Hungary * India: Themes * Northern India * Peninsular India * Indonesia * Israel * Italy * Japan * Jerusalem * Jordan * Kenya * Laos * Kosovo * Malawi * Malaysia * Mauritius * Mexico * Micronesia (Pohnpei) * Morocco * Mozambique * Namibia * The Netherlands * New Zealand * Nigeria * Norway * Oman * Pakistan * Peru * The Philippines * Poland * Portugal * Romania (Transylvania) * Senegal * Singapore * South Africa * South Korea * Spain * Sri Lanka * Sudan * Syria (Aleppo) * Tanzania * Thailand * Trinidad * Turkey (Istanbul) * Uganda * The U.A.E. (Dubai) * The United Kingdom * The Eastern United States * The Western United States * Oklahoma * Uruguay * Uzbekistan * Vietnam * The West Bank * Yemen * Zambia * Zimbabwe *