Z12301900                       USGS 
H12301900       4826561151928003030053SW170101012.39           2180             
N12301900       Little Jackson Creek near Libby MT
Y12301900       
312301900       19610515   13.0                0.40                      
312301900       1962       4.00Bm                                        
312301900       196302     5.002Bd             0.22 1Bd                  
312301900       1964       4.00Bm                                        
312301900       196504     12.0Bd              0.36  Bd                  
312301900       1966       4.00Bm                                        
312301900       19670628   4.00               -0.02                      
312301900       19680507   0.10               -0.38