<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="p1324" name="Chesapeake and Ohio Canal National Historical Park" parent="p39" scope="National Historic Park"/><bt><term thcode="1" code="p39" name="National Historic Park NPS" parent="pNPS" scope="Type of land area"/><term thcode="1" code="pNPS" name="NPS" parent="proot" scope="Federal land areas administered by NPS"/><term thcode="1" code="proot" name="Federal lands" parent="fUS" scope="Land areas administered by US Federal agencies"/><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="f24001" name="Allegany" parent="fUS24" scope="county"/><term thcode="1" code="f51013" name="Arlington" parent="fUS51" scope="county"/><term thcode="1" code="q40080NEE3" name="Artemas" parent="q40080NE" scope="quadrangle 1:24,000 scale"/><term thcode="1" code="q40080NEF3" name="Bellegrove" parent="q40080NE" scope="quadrangle 1:24,000 scale"/><term thcode="1" code="f54003" name="Berkeley" parent="fUS54" scope="county"/><term thcode="1" code="q40080NEH4" name="Big Pool" parent="q40080NE" scope="quadrangle 1:24,000 scale"/><term thcode="1" code="q40078SWE2" name="Buckeystown" parent="q40078SW" scope="quadrangle 1:24,000 scale"/><term thcode="1" code="h02070003" name="Cacapon-Town" parent="h020700" scope="hydrologic unit"/><term thcode="1" code="q40078SWB2" name="Charles Town" parent="q40078SW" scope="quadrangle 1:24,000 scale"/><term thcode="1" code="q40080NEH3" name="Cherry Run" parent="q40080NE" scope="quadrangle 1:24,000 scale"/><term thcode="1" code="q40078NWA3" name="Clear Spring" parent="q40078NW" scope="quadrangle 1:24,000 scale"/><term thcode="1" code="h02070004" name="Conococheague-Opequon" parent="h020700" scope="hydrologic unit"/><term thcode="1" code="q40080NEB4" name="Cresaptown" parent="q40080NE" scope="quadrangle 1:24,000 scale"/><term thcode="1" code="q40080NEB3" name="Cumberland" parent="q40080NE" scope="quadrangle 1:24,000 scale"/><term thcode="1" code="q40080NEC3" name="Evitts Creek" parent="q40080NE" scope="quadrangle 1:24,000 scale"/><term thcode="1" code="f51059" name="Fairfax" parent="fUS51" scope="county"/><term thcode="1" code="q39078NWG1" name="Falls Church" parent="q39078NW" scope="quadrangle 1:24,000 scale"/><term thcode="1" code="f24021" name="Frederick" parent="fUS24" scope="county"/><term thcode="1" code="q40080NEF4" name="Great Cacapon" parent="q40080NE" scope="quadrangle 1:24,000 scale"/><term thcode="1" code="f54027" name="Hampshire" parent="fUS54" scope="county"/><term thcode="1" code="q40080NEG3" name="Hancock" parent="q40080NE" scope="quadrangle 1:24,000 scale"/><term thcode="1" code="q40078SWC2" name="Harpers Ferry" parent="q40078SW" scope="quadrangle 1:24,000 scale"/><term thcode="1" code="q40078NWA4" name="Hedgesville" parent="q40078NW" scope="quadrangle 1:24,000 scale"/><term thcode="1" code="f54037" name="Jefferson" parent="fUS54" scope="county"/><term thcode="1" code="q40078SWC1" name="Keedysville" parent="q40078SW" scope="quadrangle 1:24,000 scale"/><term thcode="1" code="q40078SWD4" name="Leesburg" parent="q40078SW" scope="quadrangle 1:24,000 scale"/><term thcode="1" code="f51107" name="Loudoun" parent="fUS51" scope="county"/><term thcode="1" code="h02070010" name="Middle Potomac-Anacostia-Occoquan" parent="h020700" scope="hydrologic unit"/><term thcode="1" code="h02070008" name="Middle Potomac-Catoctin" parent="h020700" scope="hydrologic unit"/><term thcode="1" code="f54057" name="Mineral" parent="fUS54" scope="county"/><term thcode="1" code="h02070009" name="Monocacy" parent="h020700" scope="hydrologic unit"/><term thcode="1" code="f24031" name="Montgomery" parent="fUS24" scope="county"/><term thcode="1" code="f54065" name="Morgan" parent="fUS54" scope="county"/><term thcode="1" code="h02070002" name="North Branch Potomac" parent="h020700" scope="hydrologic unit"/><term thcode="1" code="q40080NED4" name="Oldtown" parent="q40080NE" scope="quadrangle 1:24,000 scale"/><term thcode="1" code="q40080NEC4" name="Patterson Creek" parent="q40080NE" scope="quadrangle 1:24,000 scale"/><term thcode="1" code="q40080NEE4" name="Paw Paw" parent="q40080NE" scope="quadrangle 1:24,000 scale"/><term thcode="1" code="q40078SWD2" name="Point of Rocks" parent="q40078SW" scope="quadrangle 1:24,000 scale"/><term thcode="1" code="q40078SWE3" name="Poolesville" parent="q40078SW" scope="quadrangle 1:24,000 scale"/><term thcode="1" code="q40078SWG4" name="Rockville" parent="q40078SW" scope="quadrangle 1:24,000 scale"/><term thcode="1" code="q40078SWF4" name="Seneca" parent="q40078SW" scope="quadrangle 1:24,000 scale"/><term thcode="1" code="q40078SWB1" name="Shepherdstown" parent="q40078SW" scope="quadrangle 1:24,000 scale"/><term thcode="1" code="h02070001" name="South Branch Potomac" parent="h020700" scope="hydrologic unit"/><term thcode="1" code="q40078SWE4" name="Sterling" parent="q40078SW" scope="quadrangle 1:24,000 scale"/><term thcode="1" code="f24043" name="Washington" parent="fUS24" scope="county"/><term thcode="1" code="q39078NWH1" name="Washington West" parent="q39078NW" scope="quadrangle 1:24,000 scale"/><term thcode="1" code="q40078SWD3" name="Waterford" parent="q40078SW" scope="quadrangle 1:24,000 scale"/><term thcode="1" code="q40078NWB4" name="Williamsport" parent="q40078NW" scope="quadrangle 1:24,000 scale"/></rt></descriptor>