<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="h18050004" name="San Francisco 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="p2055" name="Alameda Naval Air Station (Closed)" parent="p24" scope="Navy"/><term thcode="1" code="q38122NWC3" name="Altamont" parent="q38122NW" scope="quadrangle 1:24,000 scale"/><term thcode="1" code="q38122NWC2" name="Byron Hot Springs" parent="q38122NW" scope="quadrangle 1:24,000 scale"/><term thcode="1" code="q38122SWB1" name="Calaveras Reservoir" parent="q38122SW" scope="quadrangle 1:24,000 scale"/><term thcode="1" code="p499" name="Camp Parks Military Reservation" parent="p23" scope="Army"/><term thcode="1" code="q38122NWD4" name="Cedar Mountain" parent="q38122NW" scope="quadrangle 1:24,000 scale"/><term thcode="1" code="f06013" name="Contra Costa" parent="fUS06" scope="county"/><term thcode="1" code="q38122NWA2" name="Diablo" parent="q38122NW" scope="quadrangle 1:24,000 scale"/><term thcode="1" code="p1713" name="Don Edwards San Francisco Bay National Wildlife Refuge" parent="p13" scope="National Wildlife Refuge"/><term thcode="1" code="q38122NWA3" name="Dublin" parent="q38122NW" scope="quadrangle 1:24,000 scale"/><term thcode="1" code="q38122SWD1" name="Eylar Mountain" parent="q38122SW" scope="quadrangle 1:24,000 scale"/><term thcode="1" code="p1562" name="Golden Gate National Recreation Area" parent="p32" scope="National Recreation Area"/><term thcode="1" code="q38124NEH3" name="Hayward" parent="q38124NE" scope="quadrangle 1:24,000 scale"/><term thcode="1" code="q38124NEF3" name="Hunters Point" parent="q38124NE" scope="quadrangle 1:24,000 scale"/><term thcode="1" code="q38122SWD2" name="Isabel Valley" parent="q38122SW" scope="quadrangle 1:24,000 scale"/><term thcode="1" code="q38122NWB4" name="La Costa Valley" parent="q38122NW" scope="quadrangle 1:24,000 scale"/><term thcode="1" code="q38124NEH2" name="Las Trampas Ridge" parent="q38124NE" scope="quadrangle 1:24,000 scale"/><term thcode="1" code="q38122SWC2" name="Lick Observatory" parent="q38122SW" scope="quadrangle 1:24,000 scale"/><term thcode="1" code="q38122NWB3" name="Livermore" parent="q38122NW" scope="quadrangle 1:24,000 scale"/><term thcode="1" code="q38122NWE4" name="Lone Tree Creek" parent="q38122NW" scope="quadrangle 1:24,000 scale"/><term thcode="1" code="q38122NWC4" name="Mendenhall Springs" parent="q38122NW" scope="quadrangle 1:24,000 scale"/><term thcode="1" code="q38122NWD3" name="Midway" parent="q38122NW" scope="quadrangle 1:24,000 scale"/><term thcode="1" code="q38124NEE4" name="Montara Mountain" parent="q38124NE" scope="quadrangle 1:24,000 scale"/><term thcode="1" code="q38122SWE1" name="Mount Boardman" parent="q38122SW" scope="quadrangle 1:24,000 scale"/><term thcode="1" code="q38122SWC1" name="Mount Day" parent="q38122SW" scope="quadrangle 1:24,000 scale"/><term thcode="1" code="q38122SWE2" name="Mount Stakes" parent="q38122SW" scope="quadrangle 1:24,000 scale"/><term thcode="1" code="q38124NEH4" name="Newark" parent="q38124NE" scope="quadrangle 1:24,000 scale"/><term thcode="1" code="q38122NWA4" name="Niles" parent="q38122NW" scope="quadrangle 1:24,000 scale"/><term thcode="1" code="p602" name="Oakland Army Base (Closed)" parent="p23" scope="Army"/><term thcode="1" code="q38124NEG2" name="Oakland East" parent="q38124NE" scope="quadrangle 1:24,000 scale"/><term thcode="1" code="q38124NEF2" name="Oakland West" parent="q38124NE" scope="quadrangle 1:24,000 scale"/><term thcode="1" code="q38124SEG1" name="Palo Alto" parent="q38124SE" scope="quadrangle 1:24,000 scale"/><term thcode="1" code="q38124NEG4" name="Redwood Point" parent="q38124NE" scope="quadrangle 1:24,000 scale"/><term thcode="1" code="f06075" name="San Francisco" parent="fUS06" scope="county"/><term thcode="1" code="q38124NEE2" name="San Francisco North" parent="q38124NE" scope="quadrangle 1:24,000 scale"/><term thcode="1" code="q38124NEE3" name="San Francisco South" parent="q38124NE" scope="quadrangle 1:24,000 scale"/><term thcode="1" code="f06077" name="San Joaquin" parent="fUS06" scope="county"/><term thcode="1" code="q38124NEG3" name="San Leandro" parent="q38124NE" scope="quadrangle 1:24,000 scale"/><term thcode="1" code="f06081" name="San Mateo" parent="fUS06" scope="county"/><term thcode="1" code="q38124NEF4" name="San Mateo" parent="q38124NE" scope="quadrangle 1:24,000 scale"/><term thcode="1" code="f06085" name="Santa Clara" parent="fUS06" scope="county"/><term thcode="1" code="f06099" name="Stanislaus" parent="fUS06" scope="county"/><term thcode="1" code="q38122NWB2" name="Tassajara" parent="q38122NW" scope="quadrangle 1:24,000 scale"/><term thcode="1" code="p2184" name="Treasure Island Naval Base (Closed)" parent="p24" scope="Navy"/><term thcode="1" code="q38124SEF1" name="Woodside" parent="q38124SE" scope="quadrangle 1:24,000 scale"/></rt></descriptor>