000 00962nam a2200253 4500
005 20250914102116.0
008 010817u1993 xxu 00 eng
039 9 _y08-17-2001
_zsahabinar
100 1 _aHelgesen, John O.
245 _aHydrology of the Great Plains aquifer system in Nebraska, Colorado, Kansas, and adjacent areas /
_cby John O. Helgesen, Robert B. Leonard and Ronald J. Wolf
260 _aWashington :
_bU.S. Government Printing Office,
_c1993
300 _a79 p. :
_bill. ;
_c27 cm.
440 _aU.S. Geological Survey professional paper ;
_v1414-E
700 1 _aLeonard, Robert B.
700 1 _aWolf, Ronald J.
710 1 _aUnited States.
_bGeological Survey
710 1 _aUnited States.
_bDepartment of the Interior
907 _a.b12898387
_b2019-11-12
_c2019-11-12
942 _c4
_n0
914 _avtls000301282
991 _aBahagian Koleksi Dokumen
998 _at
_b2001-04-08
_cm
_da
_feng
_gxxu
_y0
_z.b12898387
999 _c290343
_d290343