Z15518040                       USGS 
H15518040       6351151485720000202068SW190803082100           1350             
N15518040       NENANA R AT HEALY AK
Y15518040       
315518040       19900915  31200               14.40                      
315518040       19910623  18100               12.48                      
315518040       20030728  31000               14.37                      
315518040       20031004  12100               11.70                      
315518040       20050619  20800               13.20                      
315518040       20060820  24900               13.64                      
315518040       20070807  17200               12.24                      
315518040       20080730  30400               14.30