Fort Clifton within Appomattox--sketched from the Signal Tower

Title on verso.
Inscribed on verso: I have made three different sketches of this work having found different positions from which I thought better views might be obtained.
Inscribed above image: (sketch 1)
Blind stamp lower right caduceus flanked by letters EB.
Formerly attributed to Alfred R. Waud, with the call number DRWG/US - Waud, no. 72 (A size).
Gift, J.P. Morgan, 1919 (DLC/PP-1919:R1.2.72)
Forms part of: Morgan collection of Civil War drawings.