...t him to bivouac. Meanwhile, the Confederates who drove the cavalry from its reconnoissance had occupied the redoubt. The corps commanders Sumner, Heintzelman, and Keyes and the cavalry leader Stoneman were together that night in conference. The highways, over flats but little above tide-water, were saturated by the spring rains, cut into deep ruts by the haul of heavy trains, and puddled by the ...