<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="fUS51" name="Virginia" parent="fUS" scope="state"/><bt><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="f51001" name="Accomack" parent="fUS51" scope="county"/><term thcode="1" code="f51003" name="Albemarle" parent="fUS51" scope="county"/><term thcode="1" code="f51510" name="Alexandria" parent="fUS51" scope="City"/><term thcode="1" code="f51005" name="Alleghany" parent="fUS51" scope="county"/><term thcode="1" code="f51007" name="Amelia" parent="fUS51" scope="county"/><term thcode="1" code="f51009" name="Amherst" parent="fUS51" scope="county"/><term thcode="1" code="f51011" name="Appomattox" parent="fUS51" scope="county"/><term thcode="1" code="f51013" name="Arlington" parent="fUS51" scope="county"/><term thcode="1" code="f51015" name="Augusta" parent="fUS51" scope="county"/><term thcode="1" code="f51017" name="Bath" parent="fUS51" scope="county"/><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="f51021" name="Bland" parent="fUS51" scope="county"/><term thcode="1" code="f51023" name="Botetourt" parent="fUS51" scope="county"/><term thcode="1" code="f51520" name="Bristol" parent="fUS51" scope="City"/><term thcode="1" code="f51025" name="Brunswick" parent="fUS51" scope="county"/><term thcode="1" code="f51027" name="Buchanan" parent="fUS51" scope="county"/><term thcode="1" code="f51029" name="Buckingham" parent="fUS51" scope="county"/><term thcode="1" code="f51530" name="Buena Vista" parent="fUS51" scope="City"/><term thcode="1" code="f51031" name="Campbell" parent="fUS51" scope="county"/><term thcode="1" code="f51033" name="Caroline" parent="fUS51" scope="county"/><term thcode="1" code="f51035" name="Carroll" parent="fUS51" scope="county"/><term thcode="1" code="f51036" name="Charles City" parent="fUS51" scope="county"/><term thcode="1" code="f51037" name="Charlotte" parent="fUS51" scope="county"/><term thcode="1" code="f51540" name="Charlottesville" parent="fUS51" scope="City"/><term thcode="1" code="f51550" name="Chesapeake" parent="fUS51" scope="City"/><term thcode="1" code="f51041" name="Chesterfield" parent="fUS51" scope="county"/><term thcode="1" code="f51043" name="Clarke" parent="fUS51" scope="county"/><term thcode="1" code="f51570" name="Colonial Heights" parent="fUS51" scope="City"/><term thcode="1" code="f51580" name="Covington" parent="fUS51" scope="City"/><term thcode="1" code="f51045" name="Craig" parent="fUS51" scope="county"/><term thcode="1" code="f51047" name="Culpeper" parent="fUS51" scope="county"/><term thcode="1" code="f51049" name="Cumberland" parent="fUS51" scope="county"/><term thcode="1" code="f51590" name="Danville" parent="fUS51" scope="City"/><term thcode="1" code="f51051" name="Dickenson" parent="fUS51" scope="county"/><term thcode="1" code="f51053" name="Dinwiddie" parent="fUS51" scope="county"/><term thcode="1" code="f51595" name="Emporia" parent="fUS51" scope="City"/><term thcode="1" code="f51057" name="Essex" parent="fUS51" scope="county"/><term thcode="1" code="f51059" name="Fairfax" parent="fUS51" scope="county"/><term thcode="1" code="f51600" name="Fairfax" parent="fUS51" scope="City"/><term thcode="1" code="f51610" name="Falls Church" parent="fUS51" scope="City"/><term thcode="1" code="f51061" name="Fauquier" parent="fUS51" scope="county"/><term thcode="1" code="f51063" name="Floyd" parent="fUS51" scope="county"/><term thcode="1" code="f51065" name="Fluvanna" parent="fUS51" scope="county"/><term thcode="1" code="f51067" name="Franklin" parent="fUS51" scope="county"/><term thcode="1" code="f51620" name="Franklin" parent="fUS51" scope="City"/><term thcode="1" code="f51069" name="Frederick" parent="fUS51" scope="county"/><term thcode="1" code="f51630" name="Fredericksburg" parent="fUS51" scope="City"/><term thcode="1" code="f51640" name="Galax" parent="fUS51" scope="City"/><term thcode="1" code="f51071" name="Giles" parent="fUS51" scope="county"/><term thcode="1" code="f51073" name="Gloucester" parent="fUS51" scope="county"/><term thcode="1" code="f51075" name="Goochland" parent="fUS51" scope="county"/><term thcode="1" code="f51077" name="Grayson" parent="fUS51" scope="county"/><term thcode="1" code="f51079" name="Greene" parent="fUS51" scope="county"/><term thcode="1" code="f51081" name="Greensville" parent="fUS51" scope="county"/><term thcode="1" code="f51083" name="Halifax" parent="fUS51" scope="county"/><term thcode="1" code="f51650" name="Hampton" parent="fUS51" scope="City"/><term thcode="1" code="f51085" name="Hanover" parent="fUS51" scope="county"/><term thcode="1" code="f51660" name="Harrisonburg" parent="fUS51" scope="City"/><term thcode="1" code="f51087" name="Henrico" parent="fUS51" scope="county"/><term thcode="1" code="f51089" name="Henry" parent="fUS51" scope="county"/><term thcode="1" code="f51091" name="Highland" parent="fUS51" scope="county"/><term thcode="1" code="f51670" name="Hopewell" parent="fUS51" scope="City"/><term thcode="1" code="f51093" name="Isle of Wight" parent="fUS51" scope="county"/><term thcode="1" code="f51095" name="James City" parent="fUS51" scope="county"/><term thcode="1" code="f51099" name="King George" parent="fUS51" scope="county"/><term thcode="1" code="f51101" name="King William" parent="fUS51" scope="county"/><term thcode="1" code="f51097" name="King and Queen" parent="fUS51" scope="county"/><term thcode="1" code="f51103" name="Lancaster" parent="fUS51" scope="county"/><term thcode="1" code="f51105" name="Lee" parent="fUS51" scope="county"/><term thcode="1" code="f51678" name="Lexington" parent="fUS51" scope="City"/><term thcode="1" code="f51107" name="Loudoun" parent="fUS51" scope="county"/><term thcode="1" code="f51109" name="Louisa" parent="fUS51" scope="county"/><term thcode="1" code="f51111" name="Lunenburg" parent="fUS51" scope="county"/><term thcode="1" code="f51680" name="Lynchburg" parent="fUS51" scope="City"/><term thcode="1" code="f51113" name="Madison" parent="fUS51" scope="county"/><term thcode="1" code="f51683" name="Manassas" parent="fUS51" scope="City"/><term thcode="1" code="f51685" name="Manassas Park" parent="fUS51" scope="City"/><term thcode="1" code="f51690" name="Martinsville" parent="fUS51" scope="City"/><term thcode="1" code="f51115" name="Mathews" parent="fUS51" scope="county"/><term thcode="1" code="f51117" name="Mecklenburg" parent="fUS51" scope="county"/><term thcode="1" code="f51119" name="Middlesex" parent="fUS51" scope="county"/><term thcode="1" code="f51121" name="Montgomery" parent="fUS51" scope="county"/><term thcode="1" code="f51125" name="Nelson" parent="fUS51" scope="county"/><term thcode="1" code="f51127" name="New Kent" parent="fUS51" scope="county"/><term thcode="1" code="f51700" name="Newport News" parent="fUS51" scope="City"/><term thcode="1" code="f51710" name="Norfolk" parent="fUS51" scope="City"/><term thcode="1" code="f51131" name="Northampton" parent="fUS51" scope="county"/><term thcode="1" code="f51133" name="Northumberland" parent="fUS51" scope="county"/><term thcode="1" code="f51720" name="Norton" parent="fUS51" scope="City"/><term thcode="1" code="f51135" name="Nottoway" parent="fUS51" scope="county"/><term thcode="1" code="f51137" name="Orange" parent="fUS51" scope="county"/><term thcode="1" code="f51139" name="Page" parent="fUS51" scope="county"/><term thcode="1" code="f51141" name="Patrick" parent="fUS51" scope="county"/><term thcode="1" code="f51730" name="Petersburg" parent="fUS51" scope="City"/><term thcode="1" code="f51143" name="Pittsylvania" parent="fUS51" scope="county"/><term thcode="1" code="f51735" name="Poquoson" parent="fUS51" scope="City"/><term thcode="1" code="f51740" name="Portsmouth" parent="fUS51" scope="City"/><term thcode="1" code="f51145" name="Powhatan" parent="fUS51" scope="county"/><term thcode="1" code="f51147" name="Prince Edward" parent="fUS51" scope="county"/><term thcode="1" code="f51149" name="Prince George" parent="fUS51" scope="county"/><term thcode="1" code="f51153" name="Prince William" parent="fUS51" scope="county"/><term thcode="1" code="f51155" name="Pulaski" parent="fUS51" scope="county"/><term thcode="1" code="f51750" name="Radford" parent="fUS51" scope="City"/><term thcode="1" code="f51157" name="Rappahannock" parent="fUS51" scope="county"/><term thcode="1" code="f51159" name="Richmond" parent="fUS51" scope="county"/><term thcode="1" code="f51760" name="Richmond" parent="fUS51" scope="City"/><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="f51163" name="Rockbridge" parent="fUS51" scope="county"/><term thcode="1" code="f51165" name="Rockingham" parent="fUS51" scope="county"/><term thcode="1" code="f51167" name="Russell" parent="fUS51" scope="county"/><term thcode="1" code="f51775" name="Salem" parent="fUS51" scope="City"/><term thcode="1" code="f51169" name="Scott" parent="fUS51" scope="county"/><term thcode="1" code="f51171" name="Shenandoah" parent="fUS51" scope="county"/><term thcode="1" code="f51173" name="Smyth" parent="fUS51" scope="county"/><term thcode="1" code="f51175" name="Southampton" parent="fUS51" scope="county"/><term thcode="1" code="f51177" name="Spotsylvania" parent="fUS51" scope="county"/><term thcode="1" code="f51179" name="Stafford" parent="fUS51" scope="county"/><term thcode="1" code="f51790" name="Staunton" parent="fUS51" scope="City"/><term thcode="1" code="f51800" name="Suffolk" parent="fUS51" scope="City"/><term thcode="1" code="f51181" name="Surry" parent="fUS51" scope="county"/><term thcode="1" code="f51183" name="Sussex" parent="fUS51" scope="county"/><term thcode="1" code="f51185" name="Tazewell" parent="fUS51" scope="county"/><term thcode="1" code="f51810" name="Virginia Beach" parent="fUS51" scope="City"/><term thcode="1" code="f51187" name="Warren" parent="fUS51" scope="county"/><term thcode="1" code="f51191" name="Washington" parent="fUS51" scope="county"/><term thcode="1" code="f51820" name="Waynesboro" parent="fUS51" scope="City"/><term thcode="1" code="f51193" name="Westmoreland" parent="fUS51" scope="county"/><term thcode="1" code="f51830" name="Williamsburg" parent="fUS51" scope="City"/><term thcode="1" code="f51840" name="Winchester" parent="fUS51" scope="City"/><term thcode="1" code="f51195" name="Wise" parent="fUS51" scope="county"/><term thcode="1" code="f51197" name="Wythe" parent="fUS51" scope="county"/><term thcode="1" code="f51199" name="York" parent="fUS51" scope="county"/></nt><rt><term thcode="1" code="q40078" name="Baltimore" parent="qroot" scope="quadrangle 1:250,000 scale"/><term thcode="1" code="h0507" name="Big Sandy-Guyandotte" parent="h05" scope="hydrologic subregion"/><term thcode="1" code="q38082" name="Bluefield" parent="qroot" scope="quadrangle 1:250,000 scale"/><term thcode="1" code="q39080" name="Charlottesville" parent="qroot" scope="quadrangle 1:250,000 scale"/><term thcode="1" code="h0301" name="Chowan-Roanoke" parent="h03" scope="hydrologic subregion"/><term thcode="1" code="h0513" name="Cumberland" parent="h05" scope="hydrologic subregion"/><term thcode="1" code="q40080" name="Cumberland" parent="qroot" scope="quadrangle 1:250,000 scale"/><term thcode="1" code="a308" name="Early Mesozoic basin aquifers" parent="aroot" scope="aquifer"/><term thcode="1" code="q38076" name="Eastville" parent="qroot" scope="quadrangle 1:250,000 scale"/><term thcode="1" code="q37080" name="Greensboro" parent="qroot" scope="quadrangle 1:250,000 scale"/><term thcode="1" code="q38084" name="Jenkins" parent="qroot" scope="quadrangle 1:250,000 scale"/><term thcode="1" code="q37084" name="Johnson City" parent="qroot" scope="quadrangle 1:250,000 scale"/><term thcode="1" code="h0505" name="Kanawha" parent="h05" scope="hydrologic subregion"/><term thcode="1" code="h0510" name="Kentucky-Licking" parent="h05" scope="hydrologic subregion"/><term thcode="1" code="h0208" name="Lower Chesapeake" parent="h02" scope="hydrologic subregion"/><term thcode="1" code="a503" name="Mississippian aquifers" parent="aroot" scope="aquifer"/><term thcode="1" code="q37078" name="Norfolk" parent="qroot" scope="quadrangle 1:250,000 scale"/><term thcode="1" code="a205" name="Northern Atlantic Coastal Plain aquifer system" parent="aroot" scope="aquifer"/><term thcode="1" code="h0304" name="Pee Dee" parent="h03" scope="hydrologic subregion"/><term thcode="1" code="a310" name="Pennsylvanian aquifers" parent="aroot" scope="aquifer"/><term thcode="1" code="a611" name="Piedmont and Blue Ridge crystalline-rock aquifers" parent="aroot" scope="aquifer"/><term thcode="1" code="h0207" name="Potomac" parent="h02" scope="hydrologic subregion"/><term thcode="1" code="q38078" name="Richmond" parent="qroot" scope="quadrangle 1:250,000 scale"/><term thcode="1" code="q38080" name="Roanoke" parent="qroot" scope="quadrangle 1:250,000 scale"/><term thcode="1" code="q39076" name="Salisbury" parent="qroot" scope="quadrangle 1:250,000 scale"/><term thcode="1" code="h0206" name="Upper Chesapeake" parent="h02" scope="hydrologic subregion"/><term thcode="1" code="h0601" name="Upper Tennessee" parent="h06" scope="hydrologic subregion"/><term thcode="1" code="a502" name="Valley and Ridge aquifers" parent="aroot" scope="aquifer"/><term thcode="1" code="a505" name="Valley and Ridge carbonate-rock aquifers" parent="aroot" scope="aquifer"/><term thcode="1" code="q39078" name="Washington" parent="qroot" scope="quadrangle 1:250,000 scale"/><term thcode="1" code="q37082" name="Winston-salem" parent="qroot" scope="quadrangle 1:250,000 scale"/></rt></descriptor>