Z11183500                       USGS 
H11183500       3754211220322000606013SW1805000179.2           102.71           
N11183500       WALNUT C AT WALNUT CREEK CA
Y11183500       
311183500       19521207   36605              11.15                      
311183500       19540217   10405               6.23                      
311183500       19550118    4765               4.98                      
311183500       19551223  110005              23.22                      
311183500       19570518    6245               6.06                      
311183500       19580402  122005              20.20                      
311183500       19590216    8575               4.65   2             11.96
311183500       19600208   34205               7.88                      
311183500       19610314    3605               3.96                      
311183500       19620214   32005               7.55                      
311183500       19621013  109005              13.68                      
311183500       19640120   27605               6.95                      
311183500       19650105   42005               6.72                      
311183500       19651228   14105               4.81                      
311183500       19670121   72005               9.02                      
311183500       19680130   19705               5.46