Z11271300                       USGS 
H11271300       3738301202240000606043SW180400083.88                            
N11271300       HAYWARD C NR LA GRANGE CA
Y11271300       
311271300       19600202    140               12.69                      
311271300       19610315   8.50               10.44                      
311271300       19620305    502               14.95                      
311271300       19630201    520               15.00                      
311271300       19631120    178               13.22                      
311271300       19641223    661               15.23                      
311271300       19651123   1040               15.70                      
311271300       19670407    817               15.43                      
311271300       19680308    304               14.47                      
311271300       19690121   2230               17.12                      
311271300       19700114    447               14.88                      
311271300       19701216    190               13.38                      
311271300       19720205    1402                                         
311271300       19730227    485               15.23