Search results
Results from the WOW.Com Content Network
San Francisco Bay Salt Ponds. The San Francisco Bay Salt Ponds are a roughly 16,500-acre (6,700 ha) part of the San Francisco Bay that have been used as salt evaporation ponds since the California Gold Rush era. Most of the ponds were once wetlands in the cities of Redwood City, Newark, and Hayward, and other parts of the bay.
As of 2004, the refuge spanned 30,000 acres (120 km 2) of open bay, salt pond, salt marsh, mudflat, upland and vernal pool habitats located throughout south San Francisco Bay. About 9,000 acres (36 km 2) of salt ponds within the refuge are managed by Cargill Salt, which has perpetual salt-making rights. Cargill uses the salt ponds to ...
Salt evaporation pond. A salt evaporation pond is a shallow artificial salt pan designed to extract salts from sea water or other brines. The salt pans are shallow and expansive, allowing sunlight to penetrate and reach the seawater. Natural salt pans are formed through geologic processes, where evaporating water leaves behind salt deposits.
The Monument is part of the Golden Gate National Recreation Area, and is 12 miles (19 km) north of San Francisco. It protects 554 acres (224 ha), [ 4 ] of which 240 acres (97 ha) are old growth coast redwood ( Sequoia sempervirens ) forests, [ 5 ] one of a few such stands remaining in the San Francisco Bay Area .
For premium support please call: 800-290-4726 more ways to reach us
San Francisco Estuary. The San Francisco Estuary together with the Sacramento–San Joaquin River Delta represents a highly altered ecosystem. The region has been heavily re-engineered to accommodate the needs of water delivery, shipping, agriculture, and most recently, suburban development. These needs have wrought direct changes in the ...
Southeast Farallon Islands (from nautical chart of 1957) A Fata Morgana mirage of the Farallon Islands, as viewed from San Francisco. The Farallon Islands / f æ r ə l ɔː n / FA-ra-lon, [2] or Farallones (from Spanish farallón 'pillar, sea cliff'), are a group of islands and sea stacks in the Gulf of the Farallones, off the coast of San Francisco, California, United States.
Operation Sea-Spray. Operation Sea-Spray was a 1950 U.S. Navy secret biological warfare experiment in which Serratia marcescens and Bacillus globigii bacteria were sprayed over the San Francisco Bay Area in California, in order to determine how vulnerable a city like San Francisco may be to a bioweapon attack. [1][2][3][4]