Z50048770                       USGS 
H50048770       1821470660356007272127SW210100057.49           196.9            
N50048770       RIO PIEDRAS AT EL SENORIAL, PR
Y50048770       
350048770       19890711   4390               14.42                      
350048770       19891002   3210               13.04                      
350048770       19901017   2930               12.66                      
350048770       19920821   4250               14.27                      
350048770       19921118   3540               13.45                      
350048770       19940828   2130               11.42                      
350048770       19950906   2960               12.71                      
350048770       19960910   53909              15.46                      
350048770       19961122   2170               11.48                      
350048770       19980921   47009              14.75                      
350048770       19981028   5280               15.35                      
350048770       19991125   5220               15.28                      
350048770       20001022   2550               12.10                      
350048770       20011108   3630               13.56                      
350048770       20030821   5140               15.20                      
350048770       20040512   3860               13.83                      
350048770       20050821   3060               12.84                      
350048770       20060901   3940               13.93                      
350048770       20070624   3620               13.55                      
350048770       20080725   3620               13.55                      
350048770       20141216   1580               10.40