Intracoastal Waterway. Intracoastal Waterway from Caloosahatchee River to Withlacoochee River, Fla., letter submitting report on preliminary examination and survey of and review of reports on Intracoastal Waterway from Caloosahatchee River to Withlacoochee River, Fla., and channel in Little Sarasota Bay, Fla., between Sarasota and Venice, and channel through Caseys Pass, Fla.