1864: North Anna River, Va. Federal troops occupying line of breastworks on the north bank.

Historic 3D image adapted for VR headset. US Civil War image from the Library of Congress. Notes on this edit: upload filename flat3D_sbs_9000x8780 jpg at 88 quality aligned what I think is ideal horizon/eye-level to center of image LR full arrangement, which if overlaid the background is aligned Stereograph image source: O'Sullivan, Timothy H, photographer. North Anna River, Va. Federal troops occupying line of breastworks on the north bank. Virginia North Anna River United States, 1864. Photograph. https://www.loc.gov/item/2018666590/