The complete photo is at the Library of Congress Online, and is part of their Civil War Photograph collection.
TITLE/LABEL Charleston, S.C. Blakely guns and ammunition in the Arsenal yard
PHOTOGRAPHER Unknown.
CREATED/PUBLISHED 1865.
MEDIUM 1 negative (2 plates) : glass, stereograph, wet collodion.
REPOSITORY Library of Congress Prints and Photographs Division Washington, D.C. 20540 USA
CALL NUMBER LC-B811- 3096
REPRODUCTION NUMBER LC-DIG-cwpb-02386 DLC (b&w copy scan of left half)
LC-DIG-cwpb-02387 DLC (b&w copy scan of right half)
LC-B8171-3096 DLC (b&w film copy neg.)
COLLECTION Selected Civil War photographs, 1861-1865 (Library of Congress)
DIGITAL ID (b&w copy scan of left half) cwpb 02386
http://hdl.loc.gov/loc.pnp/cwpb.02386
(b&w copy scan of right half) cwpb 02387
http://hdl.loc.gov/loc.pnp/cwpb.02387
(intermediary roll film) cwp 4a39798
NOTES Civil War photographs, 1861-1865 compiled by Hirst D. Milhollen and Donald H. Mugridge, Washington, D.C. Library of Congress, 1977. No. 0654.
Photograph of the Federal Navy, and seaborne expeditions against the Atlantic Coast of the Confederacy, specifically of Charleston, S.C., 1863-1865.