<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="h15010012" name="Muddy" parent="h150100" scope="hydrologic unit"/><bt><term thcode="1" code="h150100" name="Lower Colorado-Lake Mead" parent="h1501" scope="hydrologic accounting unit"/><term thcode="1" code="h1501" name="Lower Colorado-Lake Mead" parent="h15" scope="hydrologic subregion"/><term thcode="1" code="h15" name="Lower Colorado" 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><rt><term thcode="1" code="q37116SEA2" name="Apex" parent="q37116SE" scope="quadrangle 1:24,000 scale"/><term thcode="1" code="q37116NEB3" name="Arrow Canyon" parent="q37116NE" scope="quadrangle 1:24,000 scale"/><term thcode="1" code="q37116NEA3" name="Arrow Canyon NW" parent="q37116NE" scope="quadrangle 1:24,000 scale"/><term thcode="1" code="p2902" name="Arrow Canyon Range Wilderness Study Area" parent="p17" scope="Wilderness Study Area"/><term thcode="1" code="q37116NEB4" name="Arrow Canyon SE" parent="q37116NE" scope="quadrangle 1:24,000 scale"/><term thcode="1" code="q37116NEA4" name="Arrow Canyon SW" parent="q37116NE" scope="quadrangle 1:24,000 scale"/><term thcode="1" code="f32003" name="Clark" parent="fUS32" scope="county"/><term thcode="1" code="q38116SEA2" name="Delamar Lake" parent="q38116SE" scope="quadrangle 1:24,000 scale"/><term thcode="1" code="p3000" name="Delamar Mountains Wilderness Study Area" parent="p17" scope="Wilderness Study Area"/><term thcode="1" code="p1712" name="Desert National Wildlife Range" parent="p13" scope="National Wildlife Refuge"/><term thcode="1" code="q37116SEB1" name="Dry Lake" parent="q37116SE" scope="quadrangle 1:24,000 scale"/><term thcode="1" code="q37116SEA1" name="Dry Lake NW" parent="q37116SE" scope="quadrangle 1:24,000 scale"/><term thcode="1" code="q37116SEB2" name="Dry Lake SE" parent="q37116SE" scope="quadrangle 1:24,000 scale"/><term thcode="1" code="q38116SED2" name="Elgin" parent="q38116SE" scope="quadrangle 1:24,000 scale"/><term thcode="1" code="q38116SEC2" name="Elgin SW" parent="q38116SE" scope="quadrangle 1:24,000 scale"/><term thcode="1" code="p3025" name="Evergreen Wilderness Study Area" parent="p17" scope="Wilderness Study Area"/><term thcode="1" code="q37116NEC2" name="Farrier" parent="q37116NE" scope="quadrangle 1:24,000 scale"/><term thcode="1" code="p3036" name="Fish and Wildlife No. 1 Wilderness Study Area" parent="p17" scope="Wilderness Study Area"/><term thcode="1" code="p3037" name="Fish and Wildlife No. 2 Wilderness Study Area" parent="p17" scope="Wilderness Study Area"/><term thcode="1" code="p3038" name="Fish and Wildlife No. 3 Wilderness Study Area" parent="p17" scope="Wilderness Study Area"/><term thcode="1" code="q37116SWH1" name="Gass Peak NE" parent="q37116SW" scope="quadrangle 1:24,000 scale"/><term thcode="1" code="q38116SEB2" name="Gregerson Basin" parent="q38116SE" scope="quadrangle 1:24,000 scale"/><term thcode="1" code="q37116NWG3" name="Hayford Peak" parent="q37116NW" scope="quadrangle 1:24,000 scale"/><term thcode="1" code="q37116NWH4" name="Hayford Peak SE" parent="q37116NW" scope="quadrangle 1:24,000 scale"/><term thcode="1" code="q38116SEB4" name="Kane Springs Valley" parent="q38116SE" scope="quadrangle 1:24,000 scale"/><term thcode="1" code="p1564" name="Lake Mead National Recreation Area" parent="p32" scope="National Recreation Area"/><term thcode="1" code="f32017" name="Lincoln" parent="fUS32" scope="county"/><term thcode="1" code="q38116SWH3" name="Lower Pahranagat Lake" parent="q38116SW" scope="quadrangle 1:24,000 scale"/><term thcode="1" code="q38116SWG3" name="Lower Pahranagat Lake NW" parent="q38116SW" scope="quadrangle 1:24,000 scale"/><term thcode="1" code="q38116SWH4" name="Lower Pahranagat Lake SE" parent="q38116SW" scope="quadrangle 1:24,000 scale"/><term thcode="1" code="q38116SWG4" name="Lower Pahranagat Lake SW" parent="q38116SW" scope="quadrangle 1:24,000 scale"/><term thcode="1" code="p3124" name="Meadow Valley Mountains Wilderness Study Area" parent="p17" scope="Wilderness Study Area"/><term thcode="1" code="q37116NED3" name="Moapa East" parent="q37116NE" scope="quadrangle 1:24,000 scale"/><term thcode="1" code="q37116NEE2" name="Moapa Peak" parent="q37116NE" scope="quadrangle 1:24,000 scale"/><term thcode="1" code="p965" name="Moapa River Indian Reservation" parent="p15" scope="Indian Reservations"/><term thcode="1" code="q37116NEC3" name="Moapa West" parent="q37116NE" scope="quadrangle 1:24,000 scale"/><term thcode="1" code="p3135" name="Mormon Mountains Wilderness Study Area" parent="p17" scope="Wilderness Study Area"/><term thcode="1" code="q37116NWH3" name="Mormon Well" parent="q37116NW" scope="quadrangle 1:24,000 scale"/><term thcode="1" code="p3145" name="Muddy Mountains Wilderness Study Area" parent="p17" scope="Wilderness Study Area"/><term thcode="1" code="q37116SEC2" name="Muddy Peak" parent="q37116SE" scope="quadrangle 1:24,000 scale"/><term thcode="1" code="q37116NWG2" name="Mule Deer Ridge" parent="q37116NW" scope="quadrangle 1:24,000 scale"/><term thcode="1" code="q37116NWH1" name="Mule Deer Ridge NE" parent="q37116NW" scope="quadrangle 1:24,000 scale"/><term thcode="1" code="q37116NWG1" name="Mule Deer Ridge NW" parent="q37116NW" scope="quadrangle 1:24,000 scale"/><term thcode="1" code="q37116NWH2" name="Mule Deer Ridge SE" parent="q37116NW" scope="quadrangle 1:24,000 scale"/><term thcode="1" code="p174" name="Nellis Air Force Base" parent="p25" scope="Air Force"/><term thcode="1" code="q37116NEE4" name="Overton" parent="q37116NE" scope="quadrangle 1:24,000 scale"/><term thcode="1" code="q37116NEE3" name="Overton NW" parent="q37116NE" scope="quadrangle 1:24,000 scale"/><term thcode="1" code="q38116SEA4" name="Pahranagat Wash" parent="q38116SE" scope="quadrangle 1:24,000 scale"/><term thcode="1" code="q37116SEC1" name="Piute Point" parent="q37116SE" scope="quadrangle 1:24,000 scale"/><term thcode="1" code="q37116NED2" name="Rox SE" parent="q37116NE" scope="quadrangle 1:24,000 scale"/><term thcode="1" code="q38116SEC1" name="Slidy Mountain" parent="q38116SE" scope="quadrangle 1:24,000 scale"/><term thcode="1" code="q38116SEA3" name="South of Delamar Lake" parent="q38116SE" scope="quadrangle 1:24,000 scale"/><term thcode="1" code="q38116SEB3" name="South of Gregerson Basin" parent="q38116SE" scope="quadrangle 1:24,000 scale"/><term thcode="1" code="q38116SEC4" name="Sunflower Mountain" parent="q38116SE" scope="quadrangle 1:24,000 scale"/><term thcode="1" code="q37116NEC4" name="Ute" parent="q37116NE" scope="quadrangle 1:24,000 scale"/><term thcode="1" code="q37116SWH2" name="Valley" parent="q37116SW" scope="quadrangle 1:24,000 scale"/><term thcode="1" code="q37116SEE1" name="Valley of Fire East" parent="q37116SE" scope="quadrangle 1:24,000 scale"/><term thcode="1" code="q37116SED1" name="Valley of Fire West" parent="q37116SE" scope="quadrangle 1:24,000 scale"/><term thcode="1" code="q38116SED3" name="Vigo NE" parent="q38116SE" scope="quadrangle 1:24,000 scale"/><term thcode="1" code="q38116SEC3" name="Vigo NW" parent="q38116SE" scope="quadrangle 1:24,000 scale"/><term thcode="1" code="q37116NED4" name="Weiser Ridge" parent="q37116NE" scope="quadrangle 1:24,000 scale"/><term thcode="1" code="q37116NEB1" name="Wildcat Wash NE" parent="q37116NE" scope="quadrangle 1:24,000 scale"/><term thcode="1" code="q37116NEA1" name="Wildcat Wash NW" parent="q37116NE" scope="quadrangle 1:24,000 scale"/><term thcode="1" code="q37116NEB2" name="Wildcat Wash SE" parent="q37116NE" scope="quadrangle 1:24,000 scale"/><term thcode="1" code="q37116NEA2" name="Wildcat Wash SW" parent="q37116NE" scope="quadrangle 1:24,000 scale"/></rt></descriptor>