Z06408850                       USGS 
H06408850       4407241034153004646103SW101201106.23   6.23                     
N06408850       SILVER CR NEAR ROCHFORD SD
Y06408850       
306408850       19690909   13.0                4.17                      
306408850       19700612   10.0                3.93                      
306408850       19710510   6.00                3.64                      
306408850       19720619   5.00                3.50                      
306408850       19730510   4.00                3.44                      
306408850       19740720   2.00                3.21                      
306408850       19750428   6.00                3.60                      
306408850       19760615   14.0                4.23                      
306408850       19770427   7.00                3.68                      
306408850       19780518   14.0                4.24                      
306408850       19790704   3.00                3.34                      
306408850       20080709    40027