<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="fUS47" name="Tennessee" 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="f47001" name="Anderson" parent="fUS47" scope="county"/><term thcode="1" code="f47003" name="Bedford" parent="fUS47" scope="county"/><term thcode="1" code="f47005" name="Benton" parent="fUS47" scope="county"/><term thcode="1" code="f47007" name="Bledsoe" parent="fUS47" scope="county"/><term thcode="1" code="f47009" name="Blount" parent="fUS47" scope="county"/><term thcode="1" code="f47011" name="Bradley" parent="fUS47" scope="county"/><term thcode="1" code="f47013" name="Campbell" parent="fUS47" scope="county"/><term thcode="1" code="f47015" name="Cannon" parent="fUS47" scope="county"/><term thcode="1" code="f47017" name="Carroll" parent="fUS47" scope="county"/><term thcode="1" code="f47019" name="Carter" parent="fUS47" scope="county"/><term thcode="1" code="f47021" name="Cheatham" parent="fUS47" scope="county"/><term thcode="1" code="f47023" name="Chester" parent="fUS47" scope="county"/><term thcode="1" code="f47025" name="Claiborne" parent="fUS47" scope="county"/><term thcode="1" code="f47027" name="Clay" parent="fUS47" scope="county"/><term thcode="1" code="f47029" name="Cocke" parent="fUS47" scope="county"/><term thcode="1" code="f47031" name="Coffee" parent="fUS47" scope="county"/><term thcode="1" code="f47033" name="Crockett" parent="fUS47" scope="county"/><term thcode="1" code="f47035" name="Cumberland" parent="fUS47" scope="county"/><term thcode="1" code="f47037" name="Davidson" parent="fUS47" scope="county"/><term thcode="1" code="f47041" name="DeKalb" parent="fUS47" scope="county"/><term thcode="1" code="f47039" name="Decatur" parent="fUS47" scope="county"/><term thcode="1" code="f47043" name="Dickson" parent="fUS47" scope="county"/><term thcode="1" code="f47045" name="Dyer" parent="fUS47" scope="county"/><term thcode="1" code="f47047" name="Fayette" parent="fUS47" scope="county"/><term thcode="1" code="f47049" name="Fentress" parent="fUS47" scope="county"/><term thcode="1" code="f47051" name="Franklin" parent="fUS47" scope="county"/><term thcode="1" code="f47053" name="Gibson" parent="fUS47" scope="county"/><term thcode="1" code="f47055" name="Giles" parent="fUS47" scope="county"/><term thcode="1" code="f47057" name="Grainger" parent="fUS47" scope="county"/><term thcode="1" code="f47059" name="Greene" parent="fUS47" scope="county"/><term thcode="1" code="f47061" name="Grundy" parent="fUS47" scope="county"/><term thcode="1" code="f47063" name="Hamblen" parent="fUS47" scope="county"/><term thcode="1" code="f47065" name="Hamilton" parent="fUS47" scope="county"/><term thcode="1" code="f47067" name="Hancock" parent="fUS47" scope="county"/><term thcode="1" code="f47069" name="Hardeman" parent="fUS47" scope="county"/><term thcode="1" code="f47071" name="Hardin" parent="fUS47" scope="county"/><term thcode="1" code="f47073" name="Hawkins" parent="fUS47" scope="county"/><term thcode="1" code="f47075" name="Haywood" parent="fUS47" scope="county"/><term thcode="1" code="f47077" name="Henderson" parent="fUS47" scope="county"/><term thcode="1" code="f47079" name="Henry" parent="fUS47" scope="county"/><term thcode="1" code="f47081" name="Hickman" parent="fUS47" scope="county"/><term thcode="1" code="f47083" name="Houston" parent="fUS47" scope="county"/><term thcode="1" code="f47085" name="Humphreys" parent="fUS47" scope="county"/><term thcode="1" code="f47087" name="Jackson" parent="fUS47" scope="county"/><term thcode="1" code="f47089" name="Jefferson" parent="fUS47" scope="county"/><term thcode="1" code="f47091" name="Johnson" parent="fUS47" scope="county"/><term thcode="1" code="f47093" name="Knox" parent="fUS47" scope="county"/><term thcode="1" code="f47095" name="Lake" parent="fUS47" scope="county"/><term thcode="1" code="f47097" name="Lauderdale" parent="fUS47" scope="county"/><term thcode="1" code="f47099" name="Lawrence" parent="fUS47" scope="county"/><term thcode="1" code="f47101" name="Lewis" parent="fUS47" scope="county"/><term thcode="1" code="f47103" name="Lincoln" parent="fUS47" scope="county"/><term thcode="1" code="f47105" name="Loudon" parent="fUS47" scope="county"/><term thcode="1" code="f47111" name="Macon" parent="fUS47" scope="county"/><term thcode="1" code="f47113" name="Madison" parent="fUS47" scope="county"/><term thcode="1" code="f47115" name="Marion" parent="fUS47" scope="county"/><term thcode="1" code="f47117" name="Marshall" parent="fUS47" scope="county"/><term thcode="1" code="f47119" name="Maury" parent="fUS47" scope="county"/><term thcode="1" code="f47107" name="McMinn" parent="fUS47" scope="county"/><term thcode="1" code="f47109" name="McNairy" parent="fUS47" scope="county"/><term thcode="1" code="f47121" name="Meigs" parent="fUS47" scope="county"/><term thcode="1" code="f47123" name="Monroe" parent="fUS47" scope="county"/><term thcode="1" code="f47125" name="Montgomery" parent="fUS47" scope="county"/><term thcode="1" code="f47127" name="Moore" parent="fUS47" scope="county"/><term thcode="1" code="f47129" name="Morgan" parent="fUS47" scope="county"/><term thcode="1" code="f47131" name="Obion" parent="fUS47" scope="county"/><term thcode="1" code="f47133" name="Overton" parent="fUS47" scope="county"/><term thcode="1" code="f47135" name="Perry" parent="fUS47" scope="county"/><term thcode="1" code="f47137" name="Pickett" parent="fUS47" scope="county"/><term thcode="1" code="f47139" name="Polk" parent="fUS47" scope="county"/><term thcode="1" code="f47141" name="Putnam" parent="fUS47" scope="county"/><term thcode="1" code="f47143" name="Rhea" parent="fUS47" scope="county"/><term thcode="1" code="f47145" name="Roane" parent="fUS47" scope="county"/><term thcode="1" code="f47147" name="Robertson" parent="fUS47" scope="county"/><term thcode="1" code="f47149" name="Rutherford" parent="fUS47" scope="county"/><term thcode="1" code="f47151" name="Scott" parent="fUS47" scope="county"/><term thcode="1" code="f47153" name="Sequatchie" parent="fUS47" scope="county"/><term thcode="1" code="f47155" name="Sevier" parent="fUS47" scope="county"/><term thcode="1" code="f47157" name="Shelby" parent="fUS47" scope="county"/><term thcode="1" code="f47159" name="Smith" parent="fUS47" scope="county"/><term thcode="1" code="f47161" name="Stewart" parent="fUS47" scope="county"/><term thcode="1" code="f47163" name="Sullivan" parent="fUS47" scope="county"/><term thcode="1" code="f47165" name="Sumner" parent="fUS47" scope="county"/><term thcode="1" code="f47167" name="Tipton" parent="fUS47" scope="county"/><term thcode="1" code="f47169" name="Trousdale" parent="fUS47" scope="county"/><term thcode="1" code="f47171" name="Unicoi" parent="fUS47" scope="county"/><term thcode="1" code="f47173" name="Union" parent="fUS47" scope="county"/><term thcode="1" code="f47175" name="Van Buren" parent="fUS47" scope="county"/><term thcode="1" code="f47177" name="Warren" parent="fUS47" scope="county"/><term thcode="1" code="f47179" name="Washington" parent="fUS47" scope="county"/><term thcode="1" code="f47181" name="Wayne" parent="fUS47" scope="county"/><term thcode="1" code="f47183" name="Weakley" parent="fUS47" scope="county"/><term thcode="1" code="f47185" name="White" parent="fUS47" scope="county"/><term thcode="1" code="f47187" name="Williamson" parent="fUS47" scope="county"/><term thcode="1" code="f47189" name="Wilson" parent="fUS47" scope="county"/></nt><rt><term thcode="1" code="h0315" name="Alabama" parent="h03" scope="hydrologic subregion"/><term thcode="1" code="q36090" name="Blytheville" parent="qroot" scope="quadrangle 1:250,000 scale"/><term thcode="1" code="q36086" name="Chattanooga" parent="qroot" scope="quadrangle 1:250,000 scale"/><term thcode="1" code="q36088" name="Columbia" parent="qroot" scope="quadrangle 1:250,000 scale"/><term thcode="1" code="q37086" name="Corbin" parent="qroot" scope="quadrangle 1:250,000 scale"/><term thcode="1" code="h0513" name="Cumberland" parent="h05" scope="hydrologic subregion"/><term thcode="1" code="q37090" name="Dyersburg" parent="qroot" scope="quadrangle 1:250,000 scale"/><term thcode="1" code="q35088" name="Gadsden" parent="qroot" scope="quadrangle 1:250,000 scale"/><term thcode="1" code="h0511" name="Green" parent="h05" scope="hydrologic subregion"/><term thcode="1" code="q35092" name="Helena" 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="q36084" name="Knoxville" parent="qroot" scope="quadrangle 1:250,000 scale"/><term thcode="1" code="h0803" name="Lower Mississippi - Yazoo" parent="h08" scope="hydrologic subregion"/><term thcode="1" code="h0801" name="Lower Mississippi-Hatchie" parent="h08" scope="hydrologic subregion"/><term thcode="1" code="h0604" name="Lower Tennessee" parent="h06" scope="hydrologic subregion"/><term thcode="1" code="q36092" name="Memphis" parent="qroot" scope="quadrangle 1:250,000 scale"/><term thcode="1" code="h0603" name="Middle Tennessee-Elk" parent="h06" scope="hydrologic subregion"/><term thcode="1" code="h0602" name="Middle Tennessee-Hiwassee" parent="h06" scope="hydrologic subregion"/><term thcode="1" code="a109" name="Mississippi River Valley alluvial aquifer" parent="aroot" scope="aquifer"/><term thcode="1" code="a203" name="Mississippi embayment aquifer system" parent="aroot" scope="aquifer"/><term thcode="1" code="a503" name="Mississippian aquifers" parent="aroot" scope="aquifer"/><term thcode="1" code="q37088" name="Nashville" parent="qroot" scope="quadrangle 1:250,000 scale"/><term thcode="1" code="a411" name="Ordovician aquifers" parent="aroot" scope="aquifer"/><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="q35086" name="Rome" parent="qroot" scope="quadrangle 1:250,000 scale"/><term thcode="1" code="a410" name="Silurian-Devonian aquifers" parent="aroot" scope="aquifer"/><term thcode="1" code="a204" name="Southeastern Coastal Plain aquifer system" parent="aroot" scope="aquifer"/><term thcode="1" code="q35090" name="Tupelo" parent="qroot" scope="quadrangle 1:250,000 scale"/><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="q37082" name="Winston-salem" parent="qroot" scope="quadrangle 1:250,000 scale"/></rt></descriptor>