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01971aam a2200433Ia 4500 001 F418C1A4FE5E11E2B6A414D3DAD10320 003 SILO 005 20130806010419 006 m d f 007 cr mn||||||||| 008 070508s2007 vauab sb f000 0 eng d 035 $a (OCoLC)124065116 040 $a GPO $c GPO $d GPO $d MvI $d SILO 074 $a 0624-B-02 (online) 086 0 $a I 19.42/4-4:2006-5294 100 1 $a McMahon, Peter B. 245 10 $a Vertical gradients in water chemistry and age in the northern High Plains Aquifer, Nebraska, 2003 $h [electronic resource] / $c by P.B. McMahon, J.K. B婁hlke, and C.P. Carney. 260 $a Reston, Va. : $b U.S. Dept. of the Interior, U.S. Geological Survey, $c 2007. 300 $a vii, 58 p. : $b digital, PDF file. 490 1 $a Scientific investigations reports ; $v 2006-5294 538 $a Mode of access: Internet from the USGS web site. Address as of 5/07/2007: http://pubs.usgs.gov/sir/2006/5294/pdf/sir06-5294%5F508.pdf ; current access is available via PURL. 500 $a Title from title screen (viewed May 7, 2007). 500 $a "National Water-Quality Assessment Program." 504 $a Includes bibliographical references (p. 35-40). 650 0 $a Groundwater $z Nebraska. 650 0 $a Water chemistry $z Nebraska. 650 0 $a Water quality $z Nebraska. 651 0 $a High Plains Aquifer 776 1 $t Vertical gradients in water chemistry and age in the northern High Plains Aquifer, Nebraska, 2003 $h vii, 58 p. $w (OCoLC)122538885 700 1 $a Bohlke, J. K. 700 1 $a Carney, C. P. 710 2 $a National Water-Quality Assessment Program (U.S.) 710 2 $a Geological Survey (U.S.) 830 0 $a Scientific investigations report $v 2006-5294 856 40 $u http://purl.access.gpo.gov/GPO/LPS81274 941 $a 2 952 $l UPAX334 $d 20230104042202.0 952 $l USUX851 $d 20160823034442.0 956 $a http://locator.silo.lib.ia.us/search.cgi?index_0=id&term_0=F418C1A4FE5E11E2B6A414D3DAD10320Initiate Another SILO Locator Search