... to Luray, in the Shenandoah Valley, thence northward to Berry's ford, where he crossed, while Lee was keeping General Pope engaged in front. Lee's plan was to keep Pope between the Rapidan and the Rappahannock river s until Jackson had attained his position at Manassas (or perhaps at Rappahannock bridge); but General Pope's retreat to the Rappahannock's north bank frustrated that design, and rendered it necessary...