<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="h04" name="Great Lakes" parent="hroot" scope="hydrologic region"/><bt><term thcode="1" code="hroot" name="US hydrologic units" parent="fUS" scope="hydrologic subregion"/><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="h0412" name="Eastern Lake Erie-Lake Erie" parent="h04" scope="hydrologic subregion"/><term thcode="1" code="h0406" name="Northeastern Lake Michigan-Lake Michigan" parent="h04" scope="hydrologic subregion"/><term thcode="1" code="h0415" name="Northeastern Lake Ontario-Lake Ontario-St. Law" parent="h04" scope="hydrologic subregion"/><term thcode="1" code="h0407" name="Northwestern Lake Huron" parent="h04" scope="hydrologic subregion"/><term thcode="1" code="h0403" name="Northwestern Lake Michigan" parent="h04" scope="hydrologic subregion"/><term thcode="1" code="h0405" name="Southeastern Lake Michigan" parent="h04" scope="hydrologic subregion"/><term thcode="1" code="h0414" name="Southeastern Lake Ontario" parent="h04" scope="hydrologic subregion"/><term thcode="1" code="h0411" name="Southern Lake Erie" parent="h04" scope="hydrologic subregion"/><term thcode="1" code="h0402" name="Southern Lake Superior-Lake Superior" parent="h04" scope="hydrologic subregion"/><term thcode="1" code="h0408" name="Southwestern Lake Huron-Lake Huron" parent="h04" scope="hydrologic subregion"/><term thcode="1" code="h0404" name="Southwestern Lake Michigan" parent="h04" scope="hydrologic subregion"/><term thcode="1" code="h0413" name="Southwestern Lake Ontario" parent="h04" scope="hydrologic subregion"/><term thcode="1" code="h0409" name="St. Clair-Detroit" parent="h04" scope="hydrologic subregion"/><term thcode="1" code="h0410" name="Western Lake Erie" parent="h04" scope="hydrologic subregion"/><term thcode="1" code="h0401" name="Western Lake Superior" parent="h04" scope="hydrologic subregion"/></nt><rt><term thcode="1" code="q46084" name="Alpena" parent="qroot" scope="quadrangle 1:250,000 scale"/><term thcode="1" code="q47092" name="Ashland" parent="qroot" scope="quadrangle 1:250,000 scale"/><term thcode="1" code="q43076" name="Binghamton" parent="qroot" scope="quadrangle 1:250,000 scale"/><term thcode="1" code="q47084" name="Blind River" parent="qroot" scope="quadrangle 1:250,000 scale"/><term thcode="1" code="q43080" name="Buffalo" parent="qroot" scope="quadrangle 1:250,000 scale"/><term thcode="1" code="q41082" name="Canton" parent="qroot" scope="quadrangle 1:250,000 scale"/><term thcode="1" code="q46086" name="Cheboygan" parent="qroot" scope="quadrangle 1:250,000 scale"/><term thcode="1" code="q42088" name="Chicago" parent="qroot" scope="quadrangle 1:250,000 scale"/><term thcode="1" code="q42082" name="Cleveland" parent="qroot" scope="quadrangle 1:250,000 scale"/><term thcode="1" code="q43084" name="Detroit" parent="qroot" scope="quadrangle 1:250,000 scale"/><term thcode="1" code="q47094" name="Duluth" parent="qroot" scope="quadrangle 1:250,000 scale"/><term thcode="1" code="q43078" name="Elmira" parent="qroot" scope="quadrangle 1:250,000 scale"/><term thcode="1" code="q43082" name="Erie" parent="qroot" scope="quadrangle 1:250,000 scale"/><term thcode="1" code="q46088" name="Escanaba" parent="qroot" scope="quadrangle 1:250,000 scale"/><term thcode="1" code="q44084" name="Flint" parent="qroot" scope="quadrangle 1:250,000 scale"/><term thcode="1" code="q42086" name="Fort Wayne" parent="qroot" scope="quadrangle 1:250,000 scale"/><term thcode="1" code="q43086" name="Grand Rapids" parent="qroot" scope="quadrangle 1:250,000 scale"/><term thcode="1" code="q45090" name="Green Bay" parent="qroot" scope="quadrangle 1:250,000 scale"/><term thcode="1" code="q48090" name="Hancock" parent="qroot" scope="quadrangle 1:250,000 scale"/><term thcode="1" code="q48094" name="Hibbing" parent="qroot" scope="quadrangle 1:250,000 scale"/><term thcode="1" code="q46090" name="Iron Mountain" parent="qroot" scope="quadrangle 1:250,000 scale"/><term thcode="1" code="q47090" name="Iron River" parent="qroot" scope="quadrangle 1:250,000 scale"/><term thcode="1" code="q45078" name="Kingston" parent="qroot" scope="quadrangle 1:250,000 scale"/><term thcode="1" code="q45074" name="Lake Champlain" parent="qroot" scope="quadrangle 1:250,000 scale"/><term thcode="1" code="q44090" name="Madison" parent="qroot" scope="quadrangle 1:250,000 scale"/><term thcode="1" code="q45088" name="Manitowoc" parent="qroot" scope="quadrangle 1:250,000 scale"/><term thcode="1" code="q41084" name="Marion" parent="qroot" scope="quadrangle 1:250,000 scale"/><term thcode="1" code="q47088" name="Marquette" parent="qroot" scope="quadrangle 1:250,000 scale"/><term thcode="1" code="q44086" name="Midland" parent="qroot" scope="quadrangle 1:250,000 scale"/><term thcode="1" code="q44088" name="Milwaukee" parent="qroot" scope="quadrangle 1:250,000 scale"/><term thcode="1" code="q41086" name="Muncie" parent="qroot" scope="quadrangle 1:250,000 scale"/><term thcode="1" code="q45076" name="Ogdensburg" parent="qroot" scope="quadrangle 1:250,000 scale"/><term thcode="1" code="q49092" name="Quetico" parent="qroot" scope="quadrangle 1:250,000 scale"/><term thcode="1" code="q43088" name="Racine" parent="qroot" scope="quadrangle 1:250,000 scale"/><term thcode="1" code="q44078" name="Rochester" parent="qroot" scope="quadrangle 1:250,000 scale"/><term thcode="1" code="q43090" name="Rockford" parent="qroot" scope="quadrangle 1:250,000 scale"/><term thcode="1" code="q47086" name="Sault Sainte Marie" parent="qroot" scope="quadrangle 1:250,000 scale"/><term thcode="1" code="q45084" name="Tawas City" parent="qroot" scope="quadrangle 1:250,000 scale"/><term thcode="1" code="q49090" name="Thunder Bay" parent="qroot" scope="quadrangle 1:250,000 scale"/><term thcode="1" code="q42084" name="Toledo" parent="qroot" scope="quadrangle 1:250,000 scale"/><term thcode="1" code="q44080" name="Toronto" parent="qroot" scope="quadrangle 1:250,000 scale"/><term thcode="1" code="q45086" name="Traverse City" parent="qroot" scope="quadrangle 1:250,000 scale"/><term thcode="1" code="q48092" name="Two Harbors" parent="qroot" scope="quadrangle 1:250,000 scale"/><term thcode="1" code="q44076" name="Utica" parent="qroot" scope="quadrangle 1:250,000 scale"/><term thcode="1" code="q42078" name="Williamsport" parent="qroot" scope="quadrangle 1:250,000 scale"/></rt></descriptor>