<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="h1604" name="Black Rock Desert-Humboldt" parent="h16" scope="hydrologic subregion"/><bt><term thcode="1" code="h16" name="Great Basin" 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="h160402" name="Black Rock Desert" parent="h1604" scope="hydrologic accounting unit"/><term thcode="1" code="h160401" name="Humboldt" parent="h1604" scope="hydrologic accounting unit"/></nt><rt><term thcode="1" code="q43120SW" name="Adel" parent="q43120" scope="quadrangle 1:100,000 scale"/><term thcode="1" code="q42122SE" name="Alturas" parent="q42122" scope="quadrangle 1:100,000 scale"/><term thcode="1" code="q43120SE" name="Alvord Lake" parent="q43120" scope="quadrangle 1:100,000 scale"/><term thcode="1" code="q41118NE" name="Battle Mountain" parent="q41118" scope="quadrangle 1:100,000 scale"/><term thcode="1" code="q42118NE" name="Bull Run Mountains" parent="q42118" scope="quadrangle 1:100,000 scale"/><term thcode="1" code="fUS06" name="California" parent="fUS" scope="state"/><term thcode="1" code="q40120NE" name="Carson Sink" parent="q40120" scope="quadrangle 1:100,000 scale"/><term thcode="1" code="q41118SE" name="Crescent Valley" parent="q41118" scope="quadrangle 1:100,000 scale"/><term thcode="1" code="q42120NE" name="Denio" parent="q42120" scope="quadrangle 1:100,000 scale"/><term thcode="1" code="q42116SW" name="Double Mountain" parent="q42116" scope="quadrangle 1:100,000 scale"/><term thcode="1" code="q41122NE" name="Eagle Lake" parent="q41122" scope="quadrangle 1:100,000 scale"/><term thcode="1" code="q40118NW" name="Edwards Creek Valley" parent="q40118" scope="quadrangle 1:100,000 scale"/><term thcode="1" code="q41116NW" name="Elko" parent="q41116" scope="quadrangle 1:100,000 scale"/><term thcode="1" code="q41120NE" name="Eugene Mountains" parent="q41120" scope="quadrangle 1:100,000 scale"/><term thcode="1" code="q41118SW" name="Fish Creek Mountains" parent="q41118" scope="quadrangle 1:100,000 scale"/><term thcode="1" code="q41120NW" name="Gerlach" parent="q41120" scope="quadrangle 1:100,000 scale"/><term thcode="1" code="q42120SW" name="High Rock Canyon" parent="q42120" scope="quadrangle 1:100,000 scale"/><term thcode="1" code="q39118NW" name="Ione Valley" parent="q39118" scope="quadrangle 1:100,000 scale"/><term thcode="1" code="q42120SE" name="Jackson Mountains" parent="q42120" scope="quadrangle 1:100,000 scale"/><term thcode="1" code="q42116NW" name="Jarbidge Mountains" parent="q42116" scope="quadrangle 1:100,000 scale"/><term thcode="1" code="q41120SW" name="Kumiva Peak" parent="q41120" scope="quadrangle 1:100,000 scale"/><term thcode="1" code="q43118SW" name="Louse Canyon" parent="q43118" scope="quadrangle 1:100,000 scale"/><term thcode="1" code="q41120SE" name="Lovelock" parent="q41120" scope="quadrangle 1:100,000 scale"/><term thcode="1" code="fUS32" name="Nevada" parent="fUS" scope="state"/><term thcode="1" code="q40116NW" name="Newark Lake" parent="q40116" scope="quadrangle 1:100,000 scale"/><term thcode="1" code="fUS41" name="Oregon" parent="fUS" scope="state"/><term thcode="1" code="q42118SW" name="Osgood Mountains" parent="q42118" scope="quadrangle 1:100,000 scale"/><term thcode="1" code="q42118NW" name="Quinn River Valley" parent="q42118" scope="quadrangle 1:100,000 scale"/><term thcode="1" code="q40120NW" name="Reno" parent="q40120" scope="quadrangle 1:100,000 scale"/><term thcode="1" code="q41116SW" name="Ruby Lake" parent="q41116" scope="quadrangle 1:100,000 scale"/><term thcode="1" code="q40118NE" name="Simpson Park Mountains" parent="q40118" scope="quadrangle 1:100,000 scale"/><term thcode="1" code="q40118SW" name="Smith Creek Valley" parent="q40118" scope="quadrangle 1:100,000 scale"/><term thcode="1" code="q41122SE" name="Susanville" parent="q41122" scope="quadrangle 1:100,000 scale"/><term thcode="1" code="q42118SE" name="Tuscarora" parent="q42118" scope="quadrangle 1:100,000 scale"/><term thcode="1" code="q42120NW" name="Vya" parent="q42120" scope="quadrangle 1:100,000 scale"/><term thcode="1" code="q42116SE" name="Wells" parent="q42116" scope="quadrangle 1:100,000 scale"/><term thcode="1" code="q41118NW" name="Winnemucca" parent="q41118" scope="quadrangle 1:100,000 scale"/></rt></descriptor>