San Diego

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Dust Deposition in Southern Nevada and California, 1984- 1989: Relations to climate, source area, and lithology

Dust samples taken annually for five years from 55 sites in southern Nevada and California provide an unparalleled source of information on modern rates of dust deposition, grain size, and mineralogical and chemical composition. The relations of modern d

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Preliminary digital geologic map of the Santa Ana 30' x 60' quadrangle, Southern California, version 1.0

The Santa Ana Quadrangle is in the northern part of the Peninsular Ranges Province as defined by Jahns (1954), except for the northeast corner, which is underlain by basement rocks of the Transverse Ranges Province. A summary of the general geology of th

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Preliminary soil-slip susceptibility maps, southwestern California

This data set maps the soil-slip susceptibility for several areas in southwestern California. Created using Environmental Systems Research Institute's ARC/INFO software, the data base consists of raster maps containing grid cells coded with soil- slip su

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Processed Thematic Mapper satellite imagery for selected areas within the U.S.-Mexico borderlands

The passage of the North American Trade Agreement (NAFTA), establishment of the Border Environmental Cooperation Commission as well as the EPA U.S./Mexico Border XXI Program has focused attention to the environmental social-cultural, and economic conditio

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