...'s brigade of Cruft's division, was ordered to proceed up the valley, cross the creek near Wauhatchie, and then march down, sweeping the rebels from the right bank of the stream. The other brigade ( Grose 's) from the Fourth corps, was to seize and repair the bridge across Lookout creek, just below the railroad; while Osterhaus was to march up, from Brown's ferry to the place of crossing, and then sup...