Z15910000                       USGS 
H15910000       6905241484534000202185SW190604022200           1000             
N15910000       SAGAVANIRKTOK R NR SAGWON AK
Y15910000       
315910000       196908    34900Bd             18.40  Bd                  
315910000       197006    15200Bd             14.60  Bd                  
315910000       19710608  19300               15.27                      
315910000       19720602  22200               15.64                      
315910000       19730724  24700               15.95                      
315910000       19740819  28900               16.47                      
315910000       19750715   8340               13.51   2             17.44
315910000       19760605  18700               15.20                      
315910000       19770605  29600               17.80                      
315910000       19780604  19800               16.25                      
315910000       197905    10800Bd             14.30  Bd