<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="f51143" name="Pittsylvania" parent="fUS51" scope="county"/><bt><term thcode="1" code="fUS51" name="Virginia" parent="fUS" scope="state"/><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="q37080NWC3" name="Axton" parent="q37080NW" scope="quadrangle 1:24,000 scale"/><term thcode="1" code="h03010105" name="Banister" parent="h030101" scope="hydrologic unit"/><term thcode="1" code="q37080NWF3" name="Blairs" parent="q37080NW" scope="quadrangle 1:24,000 scale"/><term thcode="1" code="q37080NWD4" name="Brosville" parent="q37080NW" scope="quadrangle 1:24,000 scale"/><term thcode="1" code="q37080NWD2" name="Callands" parent="q37080NW" scope="quadrangle 1:24,000 scale"/><term thcode="1" code="q38080SWG3" name="Castle Craig" parent="q38080SW" scope="quadrangle 1:24,000 scale"/><term thcode="1" code="q37080NWE2" name="Chatham" parent="q37080NW" scope="quadrangle 1:24,000 scale"/><term thcode="1" code="q37080NW" name="Danville" parent="q37080" scope="quadrangle 1:100,000 scale"/><term thcode="1" code="q37080NWE4" name="Danville" parent="q37080NW" 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="q37080NWG3" name="Ingram" parent="q37080NW" scope="quadrangle 1:24,000 scale"/><term thcode="1" code="q37080NWG2" name="Java" parent="q37080NW" scope="quadrangle 1:24,000 scale"/><term thcode="1" code="q38080SWE4" name="Leesville" parent="q38080SW" scope="quadrangle 1:24,000 scale"/><term thcode="1" code="q38080SWH4" name="Long Island" parent="q38080SW" scope="quadrangle 1:24,000 scale"/><term thcode="1" code="h03010104" name="Lower Dan" parent="h030101" scope="hydrologic unit"/><term thcode="1" code="q38080SWF3" name="Lynch Station" parent="q38080SW" scope="quadrangle 1:24,000 scale"/><term thcode="1" code="h03010102" name="Middle Roanoke" parent="h030101" scope="hydrologic unit"/><term thcode="1" code="q37080NWG4" name="Milton" parent="q37080NW" scope="quadrangle 1:24,000 scale"/><term thcode="1" code="q37080NWG1" name="Mount Airy" parent="q37080NW" scope="quadrangle 1:24,000 scale"/><term thcode="1" code="q37080NWE3" name="Mount Hermon" parent="q37080NW" 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="q37080NWC4" name="Northeast Eden" parent="q37080NW" 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="q37080NWE1" name="Pittsville" parent="q37080NW" scope="quadrangle 1:24,000 scale"/><term thcode="1" code="q37080NWH1" name="Republican Grove" parent="q37080NW" scope="quadrangle 1:24,000 scale"/><term thcode="1" code="q37080NWF4" name="Ringgold" parent="q37080NW" scope="quadrangle 1:24,000 scale"/><term thcode="1" code="q38080SW" name="Roanoke" parent="q38080" scope="quadrangle 1:100,000 scale"/><term thcode="1" code="q37080NWD1" name="Sandy Level" parent="q37080NW" 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="q37080NWF2" name="Spring Garden" parent="q37080NW" 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="h03010103" name="Upper Dan" parent="h030101" scope="hydrologic unit"/><term thcode="1" code="h03010101" name="Upper Roanoke" parent="h030101" scope="hydrologic unit"/><term thcode="1" code="q37080NWD3" name="Whitmell" parent="q37080NW" scope="quadrangle 1:24,000 scale"/></rt></descriptor>