SAVANNAH, Ga. – Across the U.S. Army Corps of Engineers, day use fees have been waived at its more than 2,600 USACE-operated recreation areas nationwide, including Hartwell, Richard B. Russell and J. Strom Thurmond Lakes, in observance of two special days – the Corps of Engineers’ 250th birthday on June 16, and Juneteenth National Independence Day on June 19.