“These reconnoissances were made under the supervision of Captain Robert E. Lee, assisted by Lieutenants P. G. T. Beauregard, Isaac I. Stevens, Z. B. Tower, G. W. Smith, George B. McClellan, and J. G. Foster, of the corps of engineers, all officers who attained rank and fame, on one side or the other, in the great conflict for the preservation of the unity of the nation.”
