<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="a203" name="Mississippi embayment aquifer system" parent="aroot" scope="aquifer"/><bt><term thcode="1" code="aroot" name="US Aquifers" parent="fUS" scope="Aquifers of the 48 conterminous United States, Hawaii, Puerto Ri"/><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="fUS01" name="Alabama" parent="fUS" scope="state"/><term thcode="1" code="q32094" name="Alexandria" parent="qroot" scope="quadrangle 1:250,000 scale"/><term thcode="1" code="q32088" name="Andalusia" parent="qroot" scope="quadrangle 1:250,000 scale"/><term thcode="1" code="fUS05" name="Arkansas" parent="fUS" scope="state"/><term thcode="1" code="p1151" name="Bienville National Forest" parent="p12" scope="National Forest"/><term thcode="1" code="q36090" name="Blytheville" parent="qroot" scope="quadrangle 1:250,000 scale"/><term thcode="1" code="p1680" name="Chickasaw National Wildlife Refuge" parent="p13" scope="National Wildlife Refuge"/><term thcode="1" code="p1682" name="Choctaw National Wildlife Refuge" parent="p13" scope="National Wildlife Refuge"/><term thcode="1" code="p1703" name="D'Arbonne National Wildlife Refuge" parent="p13" scope="National Wildlife Refuge"/><term thcode="1" code="q37090" name="Dyersburg" parent="qroot" scope="quadrangle 1:250,000 scale"/><term thcode="1" code="q34094" name="El Dorado" parent="qroot" scope="quadrangle 1:250,000 scale"/><term thcode="1" code="q34092" name="Greenwood" parent="qroot" scope="quadrangle 1:250,000 scale"/><term thcode="1" code="p1755" name="Hatchie National Wildlife Refuge" parent="p13" scope="National Wildlife Refuge"/><term thcode="1" code="q32090" name="Hattiesburg" parent="qroot" scope="quadrangle 1:250,000 scale"/><term thcode="1" code="q35092" name="Helena" parent="qroot" scope="quadrangle 1:250,000 scale"/><term thcode="1" code="p1759" name="Hillside National Wildlife Refuge" parent="p13" scope="National Wildlife Refuge"/><term thcode="1" code="p1201" name="Holly Springs National Forest" parent="p12" scope="National Forest"/><term thcode="1" code="fUS17" name="Illinois" parent="fUS" scope="state"/><term thcode="1" code="q33092" name="Jackson" parent="qroot" scope="quadrangle 1:250,000 scale"/><term thcode="1" code="fUS21" name="Kentucky" parent="fUS" scope="state"/><term thcode="1" code="p1210" name="Kisatchie National Forest" parent="p12" scope="National Forest"/><term thcode="1" code="q35094" name="Little Rock" parent="qroot" scope="quadrangle 1:250,000 scale"/><term thcode="1" code="fUS22" name="Louisiana" parent="fUS" scope="state"/><term thcode="1" code="p1828" name="Lower Hatchie National Wildlife Refuge" parent="p13" scope="National Wildlife Refuge"/><term thcode="1" code="q36092" name="Memphis" parent="qroot" scope="quadrangle 1:250,000 scale"/><term thcode="1" code="q33090" name="Meridian" parent="qroot" scope="quadrangle 1:250,000 scale"/><term thcode="1" code="fUS28" name="Mississippi" parent="fUS" scope="state"/><term thcode="1" code="q33088" name="Montgomery" parent="qroot" scope="quadrangle 1:250,000 scale"/><term thcode="1" code="p1870" name="Morgan Brake National Wildlife Refuge" parent="p13" scope="National Wildlife Refuge"/><term thcode="1" code="q38090" name="Paducah" parent="qroot" scope="quadrangle 1:250,000 scale"/><term thcode="1" code="q32096" name="Palestine" parent="qroot" scope="quadrangle 1:250,000 scale"/><term thcode="1" code="q37092" name="Poplar Bluff" parent="qroot" scope="quadrangle 1:250,000 scale"/><term thcode="1" code="p1929" name="Reelfoot National Wildlife Refuge" parent="p13" scope="National Wildlife Refuge"/><term thcode="1" code="q36094" name="Russellville" parent="qroot" scope="quadrangle 1:250,000 scale"/><term thcode="1" code="p1253" name="Sabine National Forest" parent="p12" scope="National Forest"/><term thcode="1" code="p1254" name="Saint Francis National Forest" parent="p12" scope="National Forest"/><term thcode="1" code="ar200" name="Semiconsolidated sand aquifers" parent="art" scope="aquifer rock type"/><term thcode="1" code="q33094" name="Shreveport" parent="qroot" scope="quadrangle 1:250,000 scale"/><term thcode="1" code="fUS47" name="Tennessee" parent="fUS" scope="state"/><term thcode="1" code="q34096" name="Texarkana" parent="qroot" scope="quadrangle 1:250,000 scale"/><term thcode="1" code="fUS48" name="Texas" parent="fUS" scope="state"/><term thcode="1" code="p1283" name="Tombigbee National Forest" parent="p12" scope="National Forest"/><term thcode="1" code="q35090" name="Tupelo" parent="qroot" scope="quadrangle 1:250,000 scale"/><term thcode="1" code="q33096" name="Tyler" parent="qroot" scope="quadrangle 1:250,000 scale"/><term thcode="1" code="q34090" name="West Point" parent="qroot" scope="quadrangle 1:250,000 scale"/></rt></descriptor>