01111nam a2200289Ia 4500 192039 BIBL 20160527191859.0 930309s1993 dcua b f000 0 eng 93003584 EVLG GB1199.3.H53 H45 1993 551.49/0978 20 I 19.16:1414-E 551.49 H Helgesen, John O. Local 109563 Hydrology of the Great Plains aquifer system in Nebraska, Colorado, Kansas, and adjacent areas by John O. Helgesen, Robert B. Leonard, and Ronald J. Wolf. Washington U.S. G.P.O. 1993. viii, 80 p. ill. 29 cm. b+ s 10 fold. maps in separate portfolio. Regional aquifer-system analysis--Central Midwest Local 157872 U.S. Geological Survey professional paper 1414-E Local 182296 Includes bibliographical references (p. 77-80). n-uss Local 143927 High Plains Aquifer. Local 110719 Leonard, Robert B. Local 124940 Wolf, R. J. Local 190049 145531 145531 0 0 0 551_490000000000000_H474H 0 evl 158885 10 10 1 2016-05-27 282138 0 551.49 H474h 80000001724585 2016-05-27 00:00:00 Maps r:192039 z:NCC:D 6 0 0 0 551_490000000000000_H474H 0 evl 158890 10 10 1 2016-05-27 282137 0 551.49 H474h 80000001724577 2016-05-27 00:00:00 r:192039 z:NCC:D 6