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Point Reyes National Seashore is a 71,028-acre (287.44 km 2) park preserve located on the Point Reyes Peninsula in Marin County, California. As a national seashore , it is maintained by the US National Park Service as an important nature preserve.
Eleven reservoirs have a storage capacity greater than or equal to 1,000,000 acre-feet (1.2 km 3); all of these except one are in or on drainages that feed into the Central Valley. The largest single reservoir in California is Shasta Lake, with a full volume of more than 4,552,000 acre-feet (5.615 km 3). Map all coordinates using OpenStreetMap.
Part of the county's territory went to Del Norte County in 1857, and in 1874 the remainder was divided between Humboldt and Siskiyou counties. Pautah County, California was created in 1852 out of territory which, the state of California assumed, was to be ceded to it by the United States Congress from territory in what is now the state of Nevada.
Topsoil is composed of mineral particles and organic matter and usually extends to a depth of 5-10 inches (13–25 cm). Together these make a substrate capable of holding water and air which encourages biological activity. There are generally a high concentration of roots in topsoil since this is where plants obtain most of their vital nutrients.
Largest lakes. In terms of area covered, the largest lake in California is the Salton Sea, a lake formed in 1905 which is now saline. It occupies 376 square miles (970 km 2) in the southeast corner of the state, but because it is shallow it only holds about 7.5 million acre⋅ft (2.4 trillion US gal; 9.3 trillion L) of water. [2]
The Unified Soil Classification System (USCS) is a soil classification system used in engineering and geology to describe the texture and grain size of a soil. The classification system can be applied to most unconsolidated materials, and is represented by a two-letter symbol. Each letter is described below (with the exception of Pt): If the ...
The seamount that San Francisco struck did not appear on the chart in use at the time of the accident, but other charts available for use indicated an area of "discolored water", an indication of the probable presence of a seamount. The Navy determined that information regarding the seamount should have been transferred to the charts in use ...
The Oxnard Plain is a large coastal plain in southwest Ventura County, California, United States surrounded by the mountains of the Transverse Ranges.The cities of Oxnard, Camarillo, Port Hueneme and much of Ventura as well as the unincorporated communities of Hollywood Beach, El Rio, Saticoy, Silver Strand Beach, and Somis lie within the over 200-square-mile alluvial plain (520 km 2).