<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="f25009" name="Essex" parent="fUS25" scope="county"/><bt><term thcode="1" code="fUS25" name="Massachusetts" parent="fUS" scope="state"/><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="q43072SW" name="Boston" parent="q43072" scope="quadrangle 1:100,000 scale"/><term thcode="1" code="q43072SWH1" name="Boston North" parent="q43072SW" scope="quadrangle 1:24,000 scale"/><term thcode="1" code="h01090001" name="Charles" parent="h010900" scope="hydrologic unit"/><term thcode="1" code="q43072NEA1" name="Exeter" parent="q43072NE" scope="quadrangle 1:24,000 scale"/><term thcode="1" code="q43072NEA3" name="Georgetown" parent="q43072NE" scope="quadrangle 1:24,000 scale"/><term thcode="1" code="q43072NE" name="Gloucester" parent="q43072" scope="quadrangle 1:100,000 scale"/><term thcode="1" code="q43072NEC4" name="Gloucester" parent="q43072NE" scope="quadrangle 1:24,000 scale"/><term thcode="1" code="q43072NEC3" name="Gloucester Oe N" parent="q43072NE" scope="quadrangle 1:24,000 scale"/><term thcode="1" code="q43072NWH2" name="Haverhill" parent="q43072NW" scope="quadrangle 1:24,000 scale"/><term thcode="1" code="q43072NEB3" name="Ipswich" parent="q43072NE" scope="quadrangle 1:24,000 scale"/><term thcode="1" code="q43072NWG3" name="Lawrence" parent="q43072NW" scope="quadrangle 1:24,000 scale"/><term thcode="1" code="q43072NW" name="Lowell" parent="q43072" scope="quadrangle 1:100,000 scale"/><term thcode="1" code="q43072NWF3" name="Lowell" parent="q43072NW" scope="quadrangle 1:24,000 scale"/><term thcode="1" code="q43072SEA1" name="Lynn" parent="q43072SE" scope="quadrangle 1:24,000 scale"/><term thcode="1" code="q43072NEB4" name="Marblehead North" parent="q43072NE" scope="quadrangle 1:24,000 scale"/><term thcode="1" code="q43072SEB1" name="Marblehead South" parent="q43072SE" scope="quadrangle 1:24,000 scale"/><term thcode="1" code="h01070002" name="Merrimack" parent="h010700" scope="hydrologic unit"/><term thcode="1" code="q43072NEB2" name="Newburyport East" parent="q43072NE" scope="quadrangle 1:24,000 scale"/><term thcode="1" code="q43072NEA2" name="Newburyport West" parent="q43072NE" scope="quadrangle 1:24,000 scale"/><term thcode="1" code="p1901" name="Parker River National Wildlife Refuge" parent="p13" scope="National Wildlife Refuge"/><term thcode="1" code="h01060003" name="Piscataqua-Salmon Falls" parent="h010600" scope="hydrologic unit"/><term thcode="1" code="q43072SE" name="Provincetown" parent="q43072" scope="quadrangle 1:100,000 scale"/><term thcode="1" code="q43072NWH4" name="Reading" parent="q43072NW" scope="quadrangle 1:24,000 scale"/><term thcode="1" code="q43072NED3" name="Rockport" parent="q43072NE" scope="quadrangle 1:24,000 scale"/><term thcode="1" code="q43072NED4" name="Rockport Oe S" parent="q43072NE" scope="quadrangle 1:24,000 scale"/><term thcode="1" code="q43072NEA4" name="Salem" parent="q43072NE" scope="quadrangle 1:24,000 scale"/><term thcode="1" code="q43072NWG2" name="Salem Depot" parent="q43072NW" scope="quadrangle 1:24,000 scale"/><term thcode="1" code="q43072NWH3" name="South Groveland" parent="q43072NW" scope="quadrangle 1:24,000 scale"/><term thcode="1" code="q43072NWG4" name="Wilmington" parent="q43072NW" scope="quadrangle 1:24,000 scale"/></rt></descriptor>