Global Change Master Directory gsfc-gcmduso@mail.nasa.gov 50 2013-05-20T02:52:33Z GCMD Search: [Keyword='Silica-carbonate rock'] http://mddemo.gsfc.nasa.gov/KeywordSearch/OpenSearch.do 2 0 http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]USGS_Map_MF-2337 Digital geologic map and map database of parts of Marin, San Francisco, Alameda, Contra Costa, and Sonoma Counties, California -123.0,37.7,-122.2,38.3 1999-01-01T00:00:00Z 1999-12-31T00:00:00Z 2011-07-01T04:00:00Z This database and accompanying plot files depict the distribution of geologic materials and structures at a regional (1:62,500) scale. The report is intended to provide geologic information for the ... http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]USGS_Map_MF-2373 Geologic maps and structure sections of the southwestern Santa Clara Valley and southern Santa Cruz Mountains, Santa Clara and Santa Cruz Counties, California -122.0,36.998,-121.548,37.252 1988-01-01T00:00:00Z 1997-12-31T00:00:00Z 2008-05-27T04:00:00Z This database and accompanying plot files depict the distribution of geologic materials and structures at a regional (1:24,000) scale. The report is intended to provide geologic information for the ...