<descriptor thcode="1"><thesaurus thcode="1" name="Common geographic areas" scope="Names and identifiers of commonly-known geographic areas including oceans, continents, countries, states and provinces in North America, counties in the United States, USGS map quadrangles, and hydrologic units, nested and cross-referenced by overlap." creator="U.S. Geological Survey" rights="Public domain" edition="1.0" date="2002-03-21" codetype="alpha" prefix="geo" uri="http://www.usgs.gov/science/CommonGeographicAreas" tblname="geo" nonpref="geonp" relterm="geort" root_code="root" contact="pschweitzer"><category><term thcode="25" code="13" name="transitive" parent="12" scope="Narrower terms have an &quot;is a&quot; relationship with their broader terms, and generally can be described as part-of, type-of, or instance-of the broader term."/><term thcode="25" code="30" name="ambiguous labels" parent="26" scope="A given preferred label may be used for more than one concept in the thesaurus. A concept must be specified using its unique identifier (code). This may occur in the names of places or people."/><term thcode="25" code="4" name="place" parent="2" scope="Terms indicate extent in space, typically by reference as the names of geographic areas known from information that is stored elsewhere."/><term thcode="25" code="16" name="hierarchical" parent="11" scope="Substantive broader-narrower relationships exist among the terms."/><term thcode="25" code="13" name="transitive" parent="12" scope="Narrower terms have an &quot;is a&quot; relationship with their broader terms, and generally can be described as part-of, type-of, or instance-of the broader term."/><term thcode="25" code="30" name="ambiguous labels" parent="26" scope="A given preferred label may be used for more than one concept in the thesaurus. A concept must be specified using its unique identifier (code). This may occur in the names of places or people."/><term thcode="25" code="4" name="place" parent="2" scope="Terms indicate extent in space, typically by reference as the names of geographic areas known from information that is stored elsewhere."/><term thcode="25" code="16" name="hierarchical" parent="11" scope="Substantive broader-narrower relationships exist among the terms."/></category><altlabel><altlabel>Augmented FIPS 10-4 and FIPS 6-4</altlabel><altlabel>Augmented FIPS 10-4 and FIPS 6-4</altlabel><altlabel>CommonGeographicAreas</altlabel><altlabel>CommonGeographicAreas</altlabel></altlabel></thesaurus><term thcode="1" code="h18050001" name="Suisun Bay" parent="h180500" scope="hydrologic unit"/><bt><term thcode="1" code="h180500" name="San Francisco Bay" parent="h1805" scope="hydrologic accounting unit"/><term thcode="1" code="h1805" name="San Francisco Bay" parent="h18" scope="hydrologic subregion"/><term thcode="1" code="h18" name="California" parent="hroot" scope="hydrologic region"/><term thcode="1" code="hroot" name="US hydrologic units" parent="fUS" scope="hydrologic subregion"/><term thcode="1" code="fUS" name="United States" parent="fLD10" scope="country"/><term thcode="1" code="fLD10" name="North America" parent="fLD" scope="continent"/><term thcode="1" code="fLD" name="Land" parent="root" scope="continent"/><term thcode="1" code="root" name="Earth" scope="Common geographic areas focused on the US"/></bt><rt><term thcode="1" code="f06001" name="Alameda" parent="fUS06" scope="county"/><term thcode="1" code="q39122SWB4" name="Antioch North" parent="q39122SW" scope="quadrangle 1:24,000 scale"/><term thcode="1" code="q38122NWB1" name="Antioch South" parent="q38122NW" scope="quadrangle 1:24,000 scale"/><term thcode="1" code="q39124SEG4" name="Benicia" parent="q39124SE" scope="quadrangle 1:24,000 scale"/><term thcode="1" code="q39122SWB3" name="Birds Landing" parent="q39122SW" scope="quadrangle 1:24,000 scale"/><term thcode="1" code="q38124NEG1" name="Briones Valley" parent="q38124NE" scope="quadrangle 1:24,000 scale"/><term thcode="1" code="q39124SEG1" name="Capell Valley" parent="q39124SE" scope="quadrangle 1:24,000 scale"/><term thcode="1" code="q38122NWA1" name="Clayton" parent="q38122NW" scope="quadrangle 1:24,000 scale"/><term thcode="1" code="p2078" name="Concord Naval Weapons Station" parent="p24" scope="Navy"/><term thcode="1" code="f06013" name="Contra Costa" parent="fUS06" scope="county"/><term thcode="1" code="q39124SEG3" name="Cordelia" parent="q39124SE" scope="quadrangle 1:24,000 scale"/><term thcode="1" code="q39122SWA3" name="Denverton" parent="q39122SW" scope="quadrangle 1:24,000 scale"/><term thcode="1" code="q38122NWA2" name="Diablo" parent="q38122NW" scope="quadrangle 1:24,000 scale"/><term thcode="1" code="q39122SWB2" name="Dozier" parent="q39122SW" scope="quadrangle 1:24,000 scale"/><term thcode="1" code="q38122NWA3" name="Dublin" parent="q38122NW" scope="quadrangle 1:24,000 scale"/><term thcode="1" code="q39122SWA2" name="Elmira" parent="q39122SW" scope="quadrangle 1:24,000 scale"/><term thcode="1" code="q39124SEH2" name="Fairfield North" parent="q39124SE" scope="quadrangle 1:24,000 scale"/><term thcode="1" code="q39124SEH3" name="Fairfield South" parent="q39124SE" scope="quadrangle 1:24,000 scale"/><term thcode="1" code="q38124NEH3" name="Hayward" parent="q38124NE" scope="quadrangle 1:24,000 scale"/><term thcode="1" code="q39122SWA4" name="Honker Bay" parent="q39122SW" scope="quadrangle 1:24,000 scale"/><term thcode="1" code="p1358" name="John Muir National Historic Site" parent="p43" scope="National Historic Site"/><term thcode="1" code="q38124NEH2" name="Las Trampas Ridge" parent="q38124NE" scope="quadrangle 1:24,000 scale"/><term thcode="1" code="q39124SEG2" name="Mount George" parent="q39124SE" scope="quadrangle 1:24,000 scale"/><term thcode="1" code="q39124SEH1" name="Mount Vaca" parent="q39124SE" scope="quadrangle 1:24,000 scale"/><term thcode="1" code="f06055" name="Napa" parent="fUS06" scope="county"/><term thcode="1" code="q38124NEG2" name="Oakland East" parent="q38124NE" scope="quadrangle 1:24,000 scale"/><term thcode="1" code="f06095" name="Solano" parent="fUS06" scope="county"/><term thcode="1" code="p204" name="Travis Air Force Base" parent="p25" scope="Air Force"/><term thcode="1" code="q39124SEH4" name="Vine Hill" parent="q39124SE" scope="quadrangle 1:24,000 scale"/><term thcode="1" code="q38124NEH1" name="Walnut Creek" parent="q38124NE" scope="quadrangle 1:24,000 scale"/></rt></descriptor>