U.S. Army Corps of Engineers Great Lakes and Ohio River Division Commander Maj. Gen. Robert F. Whittle, Jr., visited Markland Locks and Dam on the Ohio River in Warsaw, Kentucky, today to tour the facility and recognize exceptional project staff for their efforts. Markland Locks and Dam staff work 24/7, 365-days a year, to operate the project, which passes more than 40 million tons of commerce annually, making Markland Locks and Dam a vital link in the inland waterways system.