Z50077400                       USGS 
H50077400       1812480654622007272103SW2101000518.8           16.4             
N50077400       RIO BLANCO AT COLONIA LA FE, PR
Y50077400       
350077400       19670730                      29.37                      
350077400       19680715                      29.95                      
350077400       19690521                      31.45                      
350077400       19700827                      31.60