Z50049000                       USGS 
H50049000       1823480660324007272127SW2101000512.5           164.1            
N50049000       RIO PIEDRAS AT RIO PIEDRAS, PR
Y50049000       
350049000       19711014   5060CR             12.08                      
350049000       19730423   2580CR             12.45                      
350049000       19740830   2890CR             13.00                      
350049000       19741023   3810CR             14.69                      
350049000       19751211   8720CR             21.02                      
350049000       19761014   5030CR             16.55                      
350049000       19780410   5690CR             17.29                      
350049000       19790215   8870CR             20.20                      
350049000       19791009   7390CR             18.77                      
350049000       19810504   2410CR             11.39                      
350049000       19811212   5010CR             15.67                      
350049000       19880824   9570CR             16.86                      
350049000       19890918   8750CR             16.04                      
350049000       19891002   3870CR             10.39                      
350049000       19901017   5090CR             11.99                      
350049000       19920429   4820CR             11.65                      
350049000       19930429   59606CR            13.02