<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="q41076" name="Newark" parent="qroot" scope="quadrangle 1:250,000 scale"/><bt><term thcode="1" code="qroot" name="USGS Quadrangles" parent="fUS" scope="quadrangle"/><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="q41076NW" name="Allentown" parent="q41076" scope="quadrangle 1:100,000 scale"/><term thcode="1" code="q41076NE" name="Newark" parent="q41076" scope="quadrangle 1:100,000 scale"/><term thcode="1" code="q41076SW" name="Reading" parent="q41076" scope="quadrangle 1:100,000 scale"/><term thcode="1" code="q41076SE" name="Trenton" parent="q41076" scope="quadrangle 1:100,000 scale"/></nt><rt><term thcode="1" code="a308" name="Early Mesozoic basin aquifers" parent="aroot" scope="aquifer"/><term thcode="1" code="h02" name="Mid Atlantic" parent="hroot" scope="hydrologic region"/><term thcode="1" code="fUS34" name="New Jersey" parent="fUS" scope="state"/><term thcode="1" code="fUS36" name="New York" parent="fUS" scope="state"/><term thcode="1" code="a416" name="New York and New England carbonate-rock aquifers" parent="aroot" scope="aquifer"/><term thcode="1" code="a205" name="Northern Atlantic Coastal Plain aquifer system" parent="aroot" scope="aquifer"/><term thcode="1" code="fUS42" name="Pennsylvania" parent="fUS" scope="state"/><term thcode="1" code="a417" name="Piedmont and Blue Ridge carbonate-rock 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="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"/></rt></descriptor>