<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="h03010101" name="Upper Roanoke" parent="h030101" scope="hydrologic unit"/><bt><term thcode="1" code="h030101" name="Roanoke" parent="h0301" scope="hydrologic accounting unit"/><term thcode="1" code="h0301" name="Chowan-Roanoke" parent="h03" scope="hydrologic subregion"/><term thcode="1" code="h03" name="South Atlantic-Gulf" 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="q38080SWF4" name="Altavista" parent="q38080SW" scope="quadrangle 1:24,000 scale"/><term thcode="1" code="q38080NWD4" name="Arnold Valley" parent="q38080NW" scope="quadrangle 1:24,000 scale"/><term thcode="1" code="q37080NWA2" name="Bassett" parent="q37080NW" scope="quadrangle 1:24,000 scale"/><term thcode="1" code="f51019" name="Bedford" parent="fUS51" scope="county"/><term thcode="1" code="f51515" name="Bedford" parent="fUS51" scope="City"/><term thcode="1" code="q38080SWD2" name="Bedford" parent="q38080SW" scope="quadrangle 1:24,000 scale"/><term thcode="1" code="q38082SEH3" name="Bent Mountain" parent="q38082SE" scope="quadrangle 1:24,000 scale"/><term thcode="1" code="q38082SEE3" name="Blacksburg" parent="q38082SE" scope="quadrangle 1:24,000 scale"/><term thcode="1" code="p1510" name="Blue Ridge Parkway" parent="p45" scope="National Parkway"/><term thcode="1" code="p1400" name="Booker T. Washington National Monument" parent="p28" scope="National Monument"/><term thcode="1" code="q38080SWA4" name="Boones Mill" parent="q38080SW" scope="quadrangle 1:24,000 scale"/><term thcode="1" code="q38080SWF1" name="Boonsboro" parent="q38080SW" scope="quadrangle 1:24,000 scale"/><term thcode="1" code="f51023" name="Botetourt" parent="fUS51" scope="county"/><term thcode="1" code="q37080NWD2" name="Callands" parent="q37080NW" scope="quadrangle 1:24,000 scale"/><term thcode="1" code="q38082SEH4" name="Callaway" parent="q38082SE" scope="quadrangle 1:24,000 scale"/><term thcode="1" code="f51031" name="Campbell" parent="fUS51" scope="county"/><term thcode="1" code="q38080SWG3" name="Castle Craig" parent="q38080SW" scope="quadrangle 1:24,000 scale"/><term thcode="1" code="q38082SEH1" name="Catawba" parent="q38082SE" scope="quadrangle 1:24,000 scale"/><term thcode="1" code="q38082SEG4" name="Check" parent="q38082SE" scope="quadrangle 1:24,000 scale"/><term thcode="1" code="q38080SWG2" name="City Farm" parent="q38080SW" scope="quadrangle 1:24,000 scale"/><term thcode="1" code="q38080SWA1" name="Daleville" parent="q38080SW" scope="quadrangle 1:24,000 scale"/><term thcode="1" code="q38082SEG3" name="Elliston" parent="q38082SE" scope="quadrangle 1:24,000 scale"/><term thcode="1" code="q37082NEG1" name="Endicott" parent="q37082NE" scope="quadrangle 1:24,000 scale"/><term thcode="1" code="q37082NEH1" name="Ferrum" parent="q37082NE" scope="quadrangle 1:24,000 scale"/><term thcode="1" code="f51063" name="Floyd" parent="fUS51" scope="county"/><term thcode="1" code="q38080SWF2" name="Forest" parent="q38080SW" scope="quadrangle 1:24,000 scale"/><term thcode="1" code="f51067" name="Franklin" parent="fUS51" scope="county"/><term thcode="1" code="q38080SWA3" name="Garden City" parent="q38080SW" scope="quadrangle 1:24,000 scale"/><term thcode="1" code="q37080NWB1" name="Gladehill" parent="q37080NW" scope="quadrangle 1:24,000 scale"/><term thcode="1" code="q38082SEG2" name="Glenvar" parent="q38082SE" scope="quadrangle 1:24,000 scale"/><term thcode="1" code="q38080SWE2" name="Goode" parent="q38080SW" scope="quadrangle 1:24,000 scale"/><term thcode="1" code="q38080SWC3" name="Goodview" parent="q38080SW" scope="quadrangle 1:24,000 scale"/><term thcode="1" code="q37080NWF1" name="Gretna" parent="q37080NW" scope="quadrangle 1:24,000 scale"/><term thcode="1" code="q38080SWB3" name="Hardy" parent="q38080SW" scope="quadrangle 1:24,000 scale"/><term thcode="1" code="f51089" name="Henry" parent="fUS51" scope="county"/><term thcode="1" code="q38080SWE3" name="Huddleston" parent="q38080SW" scope="quadrangle 1:24,000 scale"/><term thcode="1" code="q38082SEF3" name="Ironto" parent="q38082SE" scope="quadrangle 1:24,000 scale"/><term thcode="1" code="q38080SWC2" name="Irving" parent="q38080SW" scope="quadrangle 1:24,000 scale"/><term thcode="1" code="p1207" name="Jefferson National Forest" parent="p12" scope="National Forest"/><term thcode="1" code="q38080SWE4" name="Leesville" parent="q38080SW" scope="quadrangle 1:24,000 scale"/><term thcode="1" code="q38080SWF3" name="Lynch Station" parent="q38080SW" scope="quadrangle 1:24,000 scale"/><term thcode="1" code="q38082SEF2" name="Mcdonalds Mill" parent="q38082SE" scope="quadrangle 1:24,000 scale"/><term thcode="1" code="q38080SWD3" name="Moneta" parent="q38080SW" scope="quadrangle 1:24,000 scale"/><term thcode="1" code="q38080SWC4" name="Moneta SW" parent="q38080SW" scope="quadrangle 1:24,000 scale"/><term thcode="1" code="f51121" name="Montgomery" parent="fUS51" scope="county"/><term thcode="1" code="q38080SWC1" name="Montvale" parent="q38080SW" scope="quadrangle 1:24,000 scale"/><term thcode="1" code="q37080NWC2" name="Mountain Valley" parent="q37080NW" scope="quadrangle 1:24,000 scale"/><term thcode="1" code="q38082SEE2" name="Newport" parent="q38082SE" scope="quadrangle 1:24,000 scale"/><term thcode="1" code="q38080SWD1" name="Peaks of Otter" parent="q38080SW" scope="quadrangle 1:24,000 scale"/><term thcode="1" code="q37080NWC1" name="Penhook" parent="q37080NW" scope="quadrangle 1:24,000 scale"/><term thcode="1" code="q38082SEF4" name="Pilot" parent="q38082SE" scope="quadrangle 1:24,000 scale"/><term thcode="1" code="q37080NWE1" name="Pittsville" parent="q37080NW" scope="quadrangle 1:24,000 scale"/><term thcode="1" code="f51143" name="Pittsylvania" parent="fUS51" scope="county"/><term thcode="1" code="q38080SWB4" name="Redwood" parent="q38080SW" scope="quadrangle 1:24,000 scale"/><term thcode="1" code="q38082SEE4" name="Riner" parent="q38082SE" scope="quadrangle 1:24,000 scale"/><term thcode="1" code="f51161" name="Roanoke" parent="fUS51" scope="county"/><term thcode="1" code="f51770" name="Roanoke" parent="fUS51" scope="City"/><term thcode="1" code="q38080SWA2" name="Roanoke" parent="q38080SW" scope="quadrangle 1:24,000 scale"/><term thcode="1" code="q37080NWA1" name="Rocky Mount" parent="q37080NW" scope="quadrangle 1:24,000 scale"/><term thcode="1" code="f51775" name="Salem" parent="fUS51" scope="City"/><term thcode="1" code="q38082SEH2" name="Salem" parent="q38082SE" scope="quadrangle 1:24,000 scale"/><term thcode="1" code="q37080NWD1" name="Sandy Level" parent="q37080NW" scope="quadrangle 1:24,000 scale"/><term thcode="1" code="q38080SWE1" name="Sedalia" parent="q38080SW" scope="quadrangle 1:24,000 scale"/><term thcode="1" code="q38080SWD4" name="Smith Mountain Dam" parent="q38080SW" scope="quadrangle 1:24,000 scale"/><term thcode="1" code="q37080NWB2" name="Snow Creek" parent="q37080NW" scope="quadrangle 1:24,000 scale"/><term thcode="1" code="q38080NWE4" name="Snowden" parent="q38080NW" scope="quadrangle 1:24,000 scale"/><term thcode="1" code="q38080SWB2" name="Stewartsville" parent="q38080SW" scope="quadrangle 1:24,000 scale"/><term thcode="1" code="q38080SWG4" name="Straightstone" parent="q38080SW" scope="quadrangle 1:24,000 scale"/><term thcode="1" code="p2754" name="Thunder Ridge Wilderness" parent="p14" scope="Wilderness"/><term thcode="1" code="q38080SWB1" name="Villamont" parent="q38080SW" scope="quadrangle 1:24,000 scale"/></rt></descriptor>