<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="h0708" name="Upper Mississippi-Iowa-Skunk-Wapsipinicon" parent="h07" scope="hydrologic subregion"/><bt><term thcode="1" code="h07" name="Upper Mississippi" parent="hroot" scope="hydrologic region"/><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="h070802" name="Iowa" parent="h0708" scope="hydrologic accounting unit"/><term thcode="1" code="h070801" name="Upper Mississippi-Skunk-Wapsipinicon" parent="h0708" scope="hydrologic accounting unit"/></nt><rt><term thcode="1" code="q44094NW" name="Albert Lea" parent="q44094" scope="quadrangle 1:100,000 scale"/><term thcode="1" code="q42092SE" name="Aledo" parent="q42092" scope="quadrangle 1:100,000 scale"/><term thcode="1" code="q43094SW" name="Ames" parent="q43094" scope="quadrangle 1:100,000 scale"/><term thcode="1" code="q43092SW" name="Anamosa" parent="q43092" scope="quadrangle 1:100,000 scale"/><term thcode="1" code="q44094NE" name="Austin" parent="q44094" scope="quadrangle 1:100,000 scale"/><term thcode="1" code="q41092NW" name="Burlington" parent="q41092" scope="quadrangle 1:100,000 scale"/><term thcode="1" code="q41094NE" name="Centerville" parent="q41094" scope="quadrangle 1:100,000 scale"/><term thcode="1" code="q44094SE" name="Charles City" parent="q44094" scope="quadrangle 1:100,000 scale"/><term thcode="1" code="q42092NE" name="Davenport" parent="q42092" scope="quadrangle 1:100,000 scale"/><term thcode="1" code="q42094NW" name="Des Moines" parent="q42094" scope="quadrangle 1:100,000 scale"/><term thcode="1" code="q42090NW" name="Dixon" parent="q42090" scope="quadrangle 1:100,000 scale"/><term thcode="1" code="q43092SE" name="Dubuque South" parent="q43092" scope="quadrangle 1:100,000 scale"/><term thcode="1" code="q41092NE" name="Galesburg" parent="q41092" scope="quadrangle 1:100,000 scale"/><term thcode="1" code="q42094NE" name="Grinnell" parent="q42094" scope="quadrangle 1:100,000 scale"/><term thcode="1" code="fUS17" name="Illinois" parent="fUS" scope="state"/><term thcode="1" code="q42094SW" name="Indianola" parent="q42094" scope="quadrangle 1:100,000 scale"/><term thcode="1" code="fUS19" name="Iowa" parent="fUS" scope="state"/><term thcode="1" code="q42092NW" name="Iowa City" parent="q42092" scope="quadrangle 1:100,000 scale"/><term thcode="1" code="q43094NW" name="Iowa Falls" parent="q43094" scope="quadrangle 1:100,000 scale"/><term thcode="1" code="q41092SW" name="Keokuk" parent="q41092" scope="quadrangle 1:100,000 scale"/><term thcode="1" code="q42090SW" name="Kewanee" parent="q42090" scope="quadrangle 1:100,000 scale"/><term thcode="1" code="q43094SE" name="Marshalltown" parent="q43094" scope="quadrangle 1:100,000 scale"/><term thcode="1" code="q44094SW" name="Mason City" parent="q44094" scope="quadrangle 1:100,000 scale"/><term thcode="1" code="fUS27" name="Minnesota" parent="fUS" scope="state"/><term thcode="1" code="q42092SW" name="Muscatine" parent="q42092" scope="quadrangle 1:100,000 scale"/><term thcode="1" code="q43092NW" name="Oelwein" parent="q43092" scope="quadrangle 1:100,000 scale"/><term thcode="1" code="q42094SE" name="Oskaloosa" parent="q42094" scope="quadrangle 1:100,000 scale"/><term thcode="1" code="q43090SW" name="Rockford" parent="q43090" scope="quadrangle 1:100,000 scale"/><term thcode="1" code="q43094NE" name="Waverly" parent="q43094" scope="quadrangle 1:100,000 scale"/></rt></descriptor>