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035   $a(OCoLC)172994193
035   $a(EXLCZ)995470000002381818
100   $a20070918d2007      ua             0
101 0 $aeng
135   $aurmn|||||||||
181   $ctxt$2rdacontent
182   $cc$2rdamedia
183   $acr$2rdacarrier
200 00$aIntegrated geologic, geochemical, and geophysical studies of Big Bend National Park, Texas$b[electronic resource] /$f[by John E. Gray ... and others]
210  1$a[Reston, Va.] :$cU.S. Dept. of the Interior, U.S. Geological Survey,$d[2007]
215   $a6 unnumbered pages $cdigital, PDF file
225 1 $aFact sheet ;$v2007-3078
300   $aTitle from title screen (viewed on July 17, 2008).
300   $a"September 2007."
320   $aIncludes bibliographical references.
606   $aGeophysics$zTexas$zBig Bend National Park
606   $aGeology$zTexas$zBig Bend National Park
606   $aIgneous rocks$zTexas$zBig Bend National Park
606   $aWater quality$zTexas$zBig Bend National Park
606   $aMercury mines and mining$xEnvironmental aspects$zTexas$zBig Bend National Park
615  0$aGeophysics
615  0$aGeology
615  0$aIgneous rocks
615  0$aWater quality
615  0$aMercury mines and mining$xEnvironmental aspects
701   $aGray$b John E.$f1956-$01401640
712 02$aGeological Survey (U.S.)
801  0$bGIS
801  1$bGIS
801  2$bGPO
906   $aBOOK
912   $a9910696705803321
996   $aIntegrated geologic, geochemical, and geophysical studies of Big Bend National Park, Texas$93529763
997   $aUNINA