...ack, and with his spare force to follow an intermediate route. By the fifteenth, though the rains were incessant and the roads almost impracticable, Major-General Slocum had the Fourteenth corps, Brevet Major-General Davis commanding, near Martha's Vineyard, with a pontoon bridge laid across Cape Fear river at Aven's ferry, with the Twentieth corps, Major-General Mower commanding, in support. and Major General Howard...