Samuel A. Cooley 1865 Mortar Battery, Morris Island, S.C. [The War for the Union. Photographic History.]
Stereoview Library of Congress, Prints and Photographs Division Reproduction Number: LC-DIG-stereo-1s02573 (digital file from original stereograph, front) LC-DIG-stereo-2s02573 (digital file from original stereograph, back) LC-B8171-3513 (b&w film copy neg.)
Photograph shows Union officers and soldiers on Morris Island in Charleston harbor, standing by mortars aimed at Fort Sumter.