=========================== FOLLOWING PSMSL DOCUMENTATION ADDED 05-May-1994
UP TO 1985 LEUPOLD & STEVENS GAUGE, 1985-1993 (OCTOBER) OTT GAUGE,
1993 (OCTOBER) - SONAR RESEARCH GAUGE
=========================== FOLLOWING PSMSL DOCUMENTATION ADDED 05-May-1994
REVISION OF MAY 1994 UPDATES DATA FROM AUTHORITY D6
=========================== FOLLOWING PSMSL DOCUMENTATION ADDED 25-Nov-2010
Station flag was removed and datapoints Oct 1994-Jul 1995 flagged instead.

