Grand Lake St. Marys State Park operates three diesel-powered dredges: the Pump a Little, St. Marys and Eagle. The state park employs six dredge operators. Pictured is the St. Marys:

  • Built in 1968 and began working on the lake in 1968

  • 88 feet long and 21 feet wide

  • 12-inch discharge pipe

  • Pumps roughly 250 cubic yards of sediment an hour