Z12353400                       USGS 
H12353400       4701141143122003030061SW170102048.07           3000             
N12353400       Negro Gulch nr Alberton MT
Y12353400       
312353400       1959       23.0Bm              0.70  Bm                  
312353400       19600406   27.0                0.80                      
312353400       19610502   24.0                0.74                      
312353400       19620529   16.0                0.54                      
312353400       19630506   18.0                0.59                      
312353400       19640609   67.0                1.01                      
312353400       19650428    170                2.05                      
312353400       19660330   20.0                0.45                      
312353400       19670511   21.0                0.47                      
312353400       19680505   8.00                0.28                      
312353400       19690410   32.0                0.62                      
312353400       19700516    142                1.80                      
312353400       19710505   42.0                0.65                      
312353400       19720317   68.0                1.02                      
312353400       19730517   3.00                0.05                      
312353400       19840521   25.0                0.57                      
312353400       19850502   24.0                0.49                      
312353400       19860226   72.0                0.99                      
312353400       19870422   14.0                0.30                      
312353400       19880415   14.0                0.31                      
312353400       19890408   31.0                0.58                      
312353400       19900423   13.0                0.27                      
312353400       19910401   44.0                0.74