Z15910200                       USGS 
H15910200       6908501484950000202185SW1906040234.5           950              
N15910200       HAPPY C AT HAPPY VALLEY CAMP NR SAGWON AK
Y15910200       
315910200       1972        527Bm             15.54  Bm                  
315910200       1973       90.0Bm             14.26  Bm                  
315910200       197405      4002Bd            15.75 1Bd                  
315910200       19750606    572               16.09                      
315910200       19760606   1390               18.51                      
315910200       19770605   1200               17.89                      
315910200       19780604   1220               17.98                      
315910200       197906      400Bd             15.67  Bd                  
315910200       198006      840Bd             16.79  Bd                  
315910200       198106      720Bd             16.49  Bd                  
315910200       198206      920Bd             17.02  Bd                  
315910200       198306     1020Bd             17.33  Bd                  
315910200       198406     1000Bd             17.24  Bd                  
315910200       19850702    145               15.12                      
315910200       19860613   1020               17.50                      
315910200       19870527    940               17.29                      
315910200       19880603    460               16.06                      
315910200       19890601   1350               18.40                      
315910200       19900520   1100               17.74                      
315910200       19910530   1200               18.08                      
315910200       19920826   1380               18.44                      
315910200       19930601    700               16.69                      
315910200       19940827    530               16.26                      
315910200       19950526    760               16.81                      
315910200       19960524    800               16.99   2             18.70
315910200       19970604   1230               18.10                      
315910200       19980524    88029             17.21                      
315910200       19990528    23029             15.79                      
315910200       20000608   130029             18.19                      
315910200       20010608   110029             17.64                      
315910200       20020805   140029             18.61