TY  - BOOK
AU  - Helgesen,John O.
AU  - Leonard,Robert B.
AU  - Wolf,R.J.
TI  - Hydrology of the Great Plains aquifer system in Nebraska, Colorado, Kansas, and adjacent areas
T2  - Regional aquifer-system analysis--Central Midwest
AV  - GB1199.3.H53 H45 1993
U1  - 551.49/0978 20
PY  - 1993///
CY  - Washington
PB  - U.S. G.P.O.
KW  - n-uss
KW  - Local
KW  - High Plains Aquifer
N1  - Includes bibliographical references (p. 77-80)
ER  -