4. The Mule Shoe Salient
Battle of Spotsylvania. Thulstrup, L. Prang & Co. Library of Congress, Prints & Photographs Division, reproduction number LC-DIG-pga-04038. (Enhanced for presentation.)
The toughest fight yet. The fight for the salient. Alfred R. Waud, artist. Library of Congress Prints and Photographs Division LC-DIG-ppmsca-22468.