Two Views of Union Soldiers of the 50th New York Volunteer Engineer Regiment Building a Road on the South Bank of the North Anna River at Jericho Mills, Virginia (1864)

View #1.

Close-up of view #1.

View #2.

Two views of Union soldiers of the 50th New York Volunteer Engineer Regiment building a road on the south bank of the North Anna River at Jericho Mills, Virginia, May 24, 1864. By Timothy O'Sullivan. Animated stereoscopic photographs.

Source 1.
Source 2.