Caption: The Battle Between the "Monitor" and the "Merrimac," in Hampton Roads, March 9, 1862. Drawn by Sergeant Charles Worret, Twentieth Regiment New York Volunteers. [Ships and landmarks are labeled.]
Source: Illustration from Harper's Weekly, April 12, 1862, page 237
Another version of this illustration with ships labeled is featured in the same April 12, 1862 Harper's Weekly.