<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="a106" name="Central Valley aquifer system" parent="aroot" scope="aquifer"/><bt><term thcode="1" code="aroot" name="US Aquifers" parent="fUS" scope="Aquifers of the 48 conterminous United States, Hawaii, Puerto Ri"/><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="q36120" name="Bakersfield" parent="qroot" scope="quadrangle 1:250,000 scale"/><term thcode="1" code="fUS06" name="California" parent="fUS" scope="state"/><term thcode="1" code="q40122" name="Chico" parent="qroot" scope="quadrangle 1:250,000 scale"/><term thcode="1" code="p1690" name="Colusa National Wildlife Refuge" parent="p13" scope="National Wildlife Refuge"/><term thcode="1" code="p1709" name="Delevan National Wildlife Refuge" parent="p13" scope="National Wildlife Refuge"/><term thcode="1" code="q37120" name="Fresno" parent="qroot" scope="quadrangle 1:250,000 scale"/><term thcode="1" code="p1785" name="Kern National Wildlife Refuge" parent="p13" scope="National Wildlife Refuge"/><term thcode="1" code="q35120" name="Los Angeles" parent="qroot" scope="quadrangle 1:250,000 scale"/><term thcode="1" code="q38120" name="Mariposa" parent="qroot" scope="quadrangle 1:250,000 scale"/><term thcode="1" code="p1855" name="Merced National Wildlife Refuge" parent="p13" scope="National Wildlife Refuge"/><term thcode="1" code="q37122" name="Monterey" parent="qroot" scope="quadrangle 1:250,000 scale"/><term thcode="1" code="p1914" name="Pixley National Wildlife Refuge" parent="p13" scope="National Wildlife Refuge"/><term thcode="1" code="q41124" name="Redding" parent="qroot" scope="quadrangle 1:250,000 scale"/><term thcode="1" code="q39122" name="Sacramento" parent="qroot" scope="quadrangle 1:250,000 scale"/><term thcode="1" code="p1941" name="Sacramento National Wildlife Refuge" parent="p13" scope="National Wildlife Refuge"/><term thcode="1" code="p1942" name="Sacramento River National Wildlife Refuge" parent="p13" scope="National Wildlife Refuge"/><term thcode="1" code="q38124" name="San Francisco" parent="qroot" scope="quadrangle 1:250,000 scale"/><term thcode="1" code="p1955" name="San Joaquin River National Wildlife Refuge" parent="p13" scope="National Wildlife Refuge"/><term thcode="1" code="q38122" name="San Jose" parent="qroot" scope="quadrangle 1:250,000 scale"/><term thcode="1" code="p1957" name="San Luis National Wildlife Refuge" parent="p13" scope="National Wildlife Refuge"/><term thcode="1" code="q36122" name="San Luis Obispo" parent="qroot" scope="quadrangle 1:250,000 scale"/><term thcode="1" code="q39124" name="Santa Rosa" parent="qroot" scope="quadrangle 1:250,000 scale"/><term thcode="1" code="p1264" name="Sequoia National Forest" parent="p12" scope="National Forest"/><term thcode="1" code="p1989" name="Stone Lakes National Wildlife Refuge" parent="p13" scope="National Wildlife Refuge"/><term thcode="1" code="p1997" name="Sutter National Wildlife Refuge" parent="p13" scope="National Wildlife Refuge"/><term thcode="1" code="q40124" name="Ukiah" parent="qroot" scope="quadrangle 1:250,000 scale"/><term thcode="1" code="ar100" name="Unconsolidated sand and gravel aquifers" parent="art" scope="aquifer rock type"/></rt></descriptor>