<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="h1503" name="Lower Colorado" parent="h15" scope="hydrologic subregion"/><bt><term thcode="1" code="h15" name="Lower Colorado" 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><nt><term thcode="1" code="h150302" name="Bill Williams" parent="h1503" scope="hydrologic accounting unit"/><term thcode="1" code="h150301" name="Lower Colorado" parent="h1503" scope="hydrologic accounting unit"/></nt><rt><term thcode="1" code="q35114SW" name="Alamo Lake" parent="q35114" scope="quadrangle 1:100,000 scale"/><term thcode="1" code="q35116NW" name="Amboy" parent="q35116" scope="quadrangle 1:100,000 scale"/><term thcode="1" code="fUS04" name="Arizona" parent="fUS" scope="state"/><term thcode="1" code="q35114NW" name="Bagdad" parent="q35114" scope="quadrangle 1:100,000 scale"/><term thcode="1" code="q34116NE" name="Blythe" parent="q34116" scope="quadrangle 1:100,000 scale"/><term thcode="1" code="q36116NE" name="Boulder City" parent="q36116" scope="quadrangle 1:100,000 scale"/><term thcode="1" code="q35114SE" name="Bradshaw Mountains" parent="q35114" scope="quadrangle 1:100,000 scale"/><term thcode="1" code="fUS06" name="California" parent="fUS" scope="state"/><term thcode="1" code="q36116SE" name="Davis Dam" parent="q36116" scope="quadrangle 1:100,000 scale"/><term thcode="1" code="q34116NW" name="Eagle Mountains" parent="q34116" scope="quadrangle 1:100,000 scale"/><term thcode="1" code="q36116SW" name="Ivanpah" parent="q36116" scope="quadrangle 1:100,000 scale"/><term thcode="1" code="q37116SE" name="Lake Mead" parent="q37116" scope="quadrangle 1:100,000 scale"/><term thcode="1" code="q34114SW" name="Little Horn Mountains" parent="q34114" scope="quadrangle 1:100,000 scale"/><term thcode="1" code="q36116NW" name="Mesquite Lake" parent="q36116" scope="quadrangle 1:100,000 scale"/><term thcode="1" code="q35116NE" name="Needles" parent="q35116" scope="quadrangle 1:100,000 scale"/><term thcode="1" code="fUS32" name="Nevada" parent="fUS" scope="state"/><term thcode="1" code="q35116SE" name="Parker" parent="q35116" scope="quadrangle 1:100,000 scale"/><term thcode="1" code="q35114NE" name="Prescott" parent="q35114" scope="quadrangle 1:100,000 scale"/><term thcode="1" code="q34114NW" name="Salome" parent="q34114" scope="quadrangle 1:100,000 scale"/><term thcode="1" code="q34116SW" name="Salton Sea" parent="q34116" scope="quadrangle 1:100,000 scale"/><term thcode="1" code="q33116SE" name="Tinajas Altas Mountains" parent="q33116" scope="quadrangle 1:100,000 scale"/><term thcode="1" code="q34116SE" name="Trigo Mountains" parent="q34116" scope="quadrangle 1:100,000 scale"/><term thcode="1" code="q36114SW" name="Valentine" parent="q36114" scope="quadrangle 1:100,000 scale"/><term thcode="1" code="q36114SE" name="Williams" parent="q36114" scope="quadrangle 1:100,000 scale"/><term thcode="1" code="q33116NE" name="Yuma" parent="q33116" scope="quadrangle 1:100,000 scale"/></rt></descriptor>