Preliminary bedrock geologic map of the Blythe 30' x 60' quadrangle, California and Arizona

Geologic map and digital database of the Conejo Well 7.5 minute quadrangle, Riverside County, California

For database limitations, see following page ii DATABASE LIMITATIONS Content This database is preliminary and has not been reviewed for conformity with U.S. Geological Survey editorial standards or with the North American Stratigraphic Code. Any use of trade, product, or firm names is for descriptive purposes only and does not imply endorsement by the U.S. Government. This database, identified ...

Geologic Map of the Tolstoj (h-8) Quadrangle of Mercury

PLAINS MATERIALS pvs VERY SMOOTH PLAINS MATERIAL—Occurs as smooth planar surfaces only in floors of c 4 and c 5 craters (FDS 529126). Very few superposed craters at Mariner 10 resolutions. Interpretation: Probably shock-melt and fallback associated with formation of individual craters ps SMOOTH PLAINS MATERIAL—Forms flat to gently rolling plains in extremely large annulus surrounding Caloris Ba...

Geologic Map of the Mead Quadrangle (V–21), Venus

Geologic Map of the Lahontan Mountains Quadrangle, Churchill County, Nevada

The Lahontan Mountains quadrangle is located 11 km east of Fallon, Nevada at the southeastern margin of the Carson Sink (Fig. 1). Principal physiographic features include the Lahontan Mountains, collectively consisting of Sehoo, Eetza, Salt Wells, and Rainbow mountains. This quadrangle is part of the greater Lake Lahontan area that in part occupied the southern Carson Desert, previously mapped ...

Preliminary Geologic Map of the McTarnahan Hill Quadrangle, Douglas County, Nevada

The preliminary geologic map of the McTarnahan Hill quadrangle, first released in 1999 in PDF format, was originally drafted in Adobe Illustrator. This Second Edition (Revised 2009) was converted and modified slightly in ArcMap Version 9.3. The Quaternary unit descriptions were not significantly changed from the original map. Bedrock unit descriptions were modified and corrected, and sections w...