Z50091700                       USGS 
H50091700       1759370660029007272109SW210100046.32           16.4             
N50091700       RIO CHICO AT PATILLAS, PR
Y50091700       
350091700       19650809                      12.36                      
350091700       19690521   8000               12.35                      
350091700       19700827   5000               11.34                      
350091700       19701009  14000               13.89                      
350091700       19720811  13000               13.57