... Debell, of Centreville, who had been in our vicinity for several days, came to Sudley and remained that night. He believed with me that the advance would be made through the route referred to, and Bull Run passed at Sudley Ford. He had a field-glass, small, but a fairly good one. Exactly at sunset he, Sergeant Slaymaker and myself discovered by the use of the glass eighteen or twenty blue-coat infa...