Z11459810                       USGS 
H11459810       3759281223029000606041SW180500020.11                            
N11459810       IRWIN C TRIB A SAN RAFAEL CA
Y11459810       
311459810       19730118   5.70               50.52                      
311459810       19740330   3.90               50.37                      
311459810       19750212   3.00               50.24