... His cavalry massed in Fauquier, principally from Warrenton Springs to Catlett station, with the Twelfth corps, and other infantry supports; the main body of Hooker's army being in Stafford and lower Fauquier , hastening to interpose itself between our main body and Washington, with a corps or two confronting A. P. Hill's corps at Fredericksburg, having made a lodgement on the south side of the river there...