Z12301999                       USGS 
H12301999       4814011151702003030053SW17010102216            2544.88          
N12301999       Wolf Creek near Libby MT
Y12301999       
312301999       19670927   21.0                2.43                      
312301999       19680502    384                4.28                      
312301999       19690424   1660                6.52                      
312301999       19700518    790                4.90                      
312301999       19710504    960                5.26                      
312301999       19720318    905                5.15                      
312301999       19730516    150                3.15   2              4.05
312301999       19740425   1140                5.56                      
312301999       19750516    848                5.01                      
312301999       19760413    905                5.15                      
312301999       19770427   59.0                2.61   2              3.44