Surficial and Bedrock Geologic Map Database of the Kelso 7.5 Minute Quadrangle, San Bernardino County, California: Open-File Report 2003-501

This geologic map database describes geologic materials for the Kelso 7.5 Minute Quadrangle, San Bernardino County, California. The area lies in eastern Mojave Desert of California, within the Mojave National Preserve. Geologic units in the area consist of Proterozoic metamorphic rocks, Cambrian-Neoproterozoic sedimentary rocks, Mesozoic plutonic and hypabyssal rocks, Tertiary basin fill, and Quaternary surficial deposits. This Report consists of 3 parts: 1) the documentation of the report, including a geologic discussion, 2) digital spatial data in the form of 2 ARC/INFO coverages, and 3) a printable geologic map