000
00284n a2200121ua 4500
003
OSt
040
_c
IIT Kanpur
041
_a
eng
110
_a
U.S. Geological Survey
245
0
_a
Water Supply Paper # 1669G
_c
U.S. Geological Survey
260
_b
U.S. Dept. of Interior
942
_c
BK
999
_c
459189
_d
459189