=========================== FOLLOWING PSMSL DOCUMENTATION ADDED 11-Jun-1991
Key Colony Beach    940/092 RLR(1978) is 8.4m below BM3962A
=========================== FOLLOWING PSMSL DOCUMENTATION ADDED 12-Jul-1993
Key Colony Beach    940/092 RLR(1978) is 8.4m below BM3962A
=========================== FOLLOWING PSMSL DOCUMENTATION ADDED 29-Jul-1993
Many stations on the Gulf coast have large values for September 1961.
REPLACES MARATHON SHORES
=========================== FOLLOWING PSMSL DOCUMENTATION ADDED 20-Dec-2011
Using NOAA data the RLR diagram has been reviewed. Primary benchmark remains A
3962 1976 2.758m above gauge datum.