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Results for “California Geology”

Search indexed USGS publications on groundwater, aquifers, geologic maps, mineral resources and earthquakes. Explore source records by subject and place.

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At least 343 records · Page 19Linked to original sources
USGS1986

Reconnaissance surficial geologic map of northern Death Valley, California and Nevada

Sedimentary deposits of northern Death Valley include units of alluvial, eolian, lacustrine, and spring origin. The alluvial deposits, which include both fan and pediment deposits, predominate. Fan deposits are divided into four major units; locally one of these is further divided into three subunits. Pediment deposits may be divided into two subunits. Hyphenated map symbols (for example, Qf 4-3 ) are used where two deposits cannot be separated at the map scale; symbols separated by a slash indicate areas where thin veneers of younger deposits overlie old deposits (for example, Qf 3 /Qp 2 ).

California, Nevada↗
USGS1963

Ground-water and related geology of Joshua Tree National Monument, California

Joshua Tree National Monument is in a mountainous part of the desert region of southern California. The geographic center of the monument is about 130 miles east of Los Angeles, Calif.; the area Investigated, covering almost 1,000 square miles in area, is included between 115?20' and 116?28' west longitude, and 33?04 ' and 34?07' north latitude.

Open-File Report↗