Z15294500                       USGS 
H15294500       6112441522126000202122SW190206011080           1125.1           
N15294500       CHAKACHATNA R NR TYONEK AK
Y15294500       
315294500       19590828  17400               22.53                      
315294500       19600727  13400               21.22                      
315294500       19610731  176002              24.80                      
315294500       196208    1400012Bd                                      
315294500       19630716  18000               26.33                      
315294500       19640826  140001                                         
315294500       196508    1550012Bd                                      
315294500       196608    1200012Bd                                      
315294500       19670818  23400               29.30                      
315294500       19680811  15000               26.62                      
315294500       19690703  15400               27.02                      
315294500       19700730  11200               26.24                      
315294500       19710811 47000039                                        
315294500       19720714  16600               14.88                      
315294500       20090717  18200               31.28                      
315294500       20100807  13700               28.48                      
315294500       20110805  12000               27.28