He was informed of the main Union flanking movement through Sudley Springs by Captain Edward Porter Alexander, Beauregard's signal officer, observing from 8 miles (13 km) southwest on Signal Hill.
A fost informat despre mișcarea de flancare a grosului armatei unioniste prin Sudley Springs de către căpitanul Edward Porter Alexander⁠(d), ofițerul de observații al lui Beauregard, care observa de la 13 km sud-vest de pe Signal Hill.