Z11183000                       USGS 
H11183000       3753041220300000606013SW1805000150.8                            
N11183000       SAN RAMON C AT WALNUT CREEK CA
Y11183000       
311183000       19521207   1880                7.60                      
311183000       19540217    520                5.07                      
311183000       19550118    252                4.19                      
311183000       19551223   6890               14.55                      
311183000       19570518    124                3.50                      
311183000       19580402   6530               13.16                      
311183000       19590216    356                3.49                      
311183000       19600208   2070                7.40                      
311183000       19601126   59.0                2.35                      
311183000       19620214   1550                6.53                      
311183000       19630131   7980               14.40                      
311183000       19640120   2130                7.82                      
311183000       19641223   2550                8.47                      
311183000       19651228    814                5.16                      
311183000       19670121   4290               10.70                      
311183000       19680130   1040                5.71                      
311183000       19690126   3350                9.57                      
311183000       19700121   3280                9.49                      
311183000       19701204   1010                5.64                      
311183000       19720205    188                2.38   6                  
311183000       19730227   4550                7.37   6