=========================== FOLLOWING PSMSL DOCUMENTATION ADDED 05-MAY-94 :
UP TO 1985 LEUPOLD & STEVENS GAUGE, 1985-1993 (OCTOBER) OTT GAUGE,
1993 (OCTOBER) - SONAR RESEARCH GAUGE
=========================== FOLLOWING PSMSL DOCUMENTATION ADDED 2002Mar13 :
Tanajib Pier data 1995 suspect (shows doubling in range) and deleted.

