accompanied by , drove off batteries which were firing on another group of transports near Harrison's Landing, Virginia on the James River. Throughout the embattled South, Union gunboats kept communications and supply lines open despite the efforts of the Confederates to sever them. For the remainder of the war, Miami operated in the James River now commanded by Lt. George W Graves, playing an important role in the naval effort, assisting Grant's unrelenting pressures on the Confederate capitol which finally forced Lee to surrender at Appomattox Courthouse, Virginia on April 9, 1865. The double-ender decommissioned at Philadelphia, Pennsylvania on May 22, 1865, and was sold at auction in Philadelphia on August 10, 1865. Miami'' served American commerce until 1869. See also Blockade runners of the American Civil War Union Navy Confederate Navy References American Civil War patrol vessels of the United States Ships built in Philadelphia Ships of the Union Navy Gunboats of the United States Navy Steamships of the United States Navy 1861 ships