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01891aam a2200433 a 4500 001 87C37038669F11E6BC78B878DAD10320 003 SILO 005 20160820010703 008 040818s2004 vauab b f000 0 eng c 035 $a (OCoLC)56217181 040 $a GIS $c GIS $d GPO $d IWA $d SILO 042 $a pcc 043 $a n-us-tx 074 $a 0624-B-02 074 $a 0624-B-02 (online) 086 0 $a I 19.42/4-4:2004-5053 100 1 $a McMahon, Peter B. 245 10 $a Vertical gradients in water chemistry and age in the southern High Plains aquifer, Texas, 2002 / $c by P.B. McMahon, J.K. B婁hlke, and T.M. Lehman. 260 $a Reston, Va. : $b U.S. Dept. of the Interior, U.S. Geological Survey ; $c 2004. 300 $a vii, 53 p. : $b ill., col. maps ; $c 28 cm. 440 0 $a Scientific investigations report $v 2004-5053 530 $a Also available via Internet at the USGS web site. Address as of 09/22/04: http://water.usgs.gov/pubs/sir/2004/5053/pdf/McMahon508.book.pdf; current access available via PURL. 500 $a Shipping list no.: 2004-0270-P. 500 $a "National Water-Quality Assessment Program." 504 $a Includes bibliographical references (p. 34-37). 650 0 $a Groundwater $z Texas Panhandle Region. $z Texas Panhandle Region. 650 0 $a Water chemistry $z Texas Panhandle Region. $z Texas Panhandle Region. 650 0 $a Water quality $z Texas Panhandle Region. $z Texas Panhandle Region. 651 0 $a High Plains Aquifer 700 1 $a Bohlke, J. K. 700 1 $a Lehman, Thomas Mark 710 2 $a National Water-Quality Assessment Program (U.S.) 710 2 $a Geological Survey (U.S.) 856 41 $u http://purl.access.gpo.gov/GPO/LPS52826 941 $a 2 952 $l UPAX334 $d 20230104041827.0 952 $l USUX851 $d 20160820091447.0 956 $a http://locator.silo.lib.ia.us/search.cgi?index_0=id&term_0=87C37038669F11E6BC78B878DAD10320 994 $a X0 $b IWAInitiate Another SILO Locator Search