=========================== FOLLOWING PSMSL DOCUMENTATION ADDED 11-JUN-91 :
Guiria              900/006 RLR(1964) is 14.3m below BM5
=========================== BENCHMARK INFORMATION UPDATE ADDED  12-JUL-93 :
Guiria              900/006 RLR(1964) is 14.3m below BM5
Guiria is an historic station last data 1968

