L-1203/79--8/24/79;  THE US ARMY CORPS OF ENGINEERS INSTALLED A TIDE GAUGE STRUCTURE AT TYBEE FRONT RANGE, 32/00/13N 80/48/17W (NAD 27).  THE TIDE GAUGE SUPPORT STRUCTURE IS CONSTRUCTED OF A 70-FOOT, 12-INCH DIAMETER SCHEDULE 80 STEEL PIPE WITH A STEEL-F