Z50014600                       USGS 
H50014600       1820420664929007272065SW21010002               722              
N50014600       RIO CAMUY AT TRES PUEBLOS SINKHOLE, LARES PR
Y50014600       
350014600       19900909    583               10.10                      
350014600       19901007    926               11.97                      
350014600       19911031   1030               12.42                      
350014600       19930907    902               11.86                      
350014600       19940517    781               11.26                      
350014600       19950513    965               11.80                      
350014600       19960910   36509              19.58