Z11162720                       USGS 
H11162720       3739141222531000606081SW1805000410.8           12.53            
N11162720       COLMA C A SOUTH SAN FRANCISCO CA
Y11162720       
311162720       19640120   1050                8.00                      
311162720       19650106    671                6.66                      
311162720       19651228    818                7.12                      
311162720       19670311   1120                7.98                      
311162720       19680130   1260                8.32                      
311162720       19690223   1180                8.12                      
311162720       19691220    954                7.54                      
311162720       19701127   1980               10.17                      
311162720       19711202    837                7.22                      
311162720       19730116   2880               11.80                      
311162720       19731130   1470                8.90                      
311162720       19750131    906                7.43                      
311162720       19751029    610                6.50                      
311162720       19770102   2010               10.37                      
311162720       19780114   1360C               8.64                      
311162720       19790115   1370C               8.68                      
311162720       19800219   2230C              11.00                      
311162720       19810127    976C               7.44                      
311162720       19820104   2550C              11.63                      
311162720       19830123   1630C               9.18                      
311162720       19831112   1990C              10.30                      
311162720       19841127   1610C               9.10                      
311162720       19860217   2670C               6.14                      
311162720       19870314   1460C               4.36                      
311162720       19871208   3560C               7.53   21973         11.80
311162720       19881123   1410C               4.27                      
311162720       19891023   3190C               6.93                      
311162720       19910204   1800C               4.85                      
311162720       19920305   1970C               5.11                      
311162720       19930106   3510C               7.46                      
311162720       19940124   2710C               6.20                      
311162720       19960131   2640C               6.09