African Americans preparing cotton for the gin

Title: [Port Royal Island, S.C. African Americans preparing cotton for the gin on Smith's plantation]
Creator(s): O'Sullivan, Timothy H., 1840-1882, photographer
Date Created/Published: 1862.
Medium: 1 negative (2 plates) : glass, stereograph, wet collodion.
Summary: Photograph of the Federal Navy, and seaborne expeditions against the Atlantic Coast of the Confederacy, specifically of Port Royal, S.C., 1861-1862. Shows seven African Americans sitting in a pile of cotton in front of gin house.
Reproduction Number: LC-DIG-cwpb-00747 (digital file from original neg. of left half) LC-DIG-cwpb-00746 (digital file from original neg. of right half) LC-B8171-159 (b&w film copy neg.)
Rights Advisory: No known restrictions on publication. For information, see "Civil war photographs, 1861-1865,"(http://www.loc.gov/rr/print/res/120_cwar.html)
Call Number: LC-B811- 159 [P&P] LOT 4205 (corresponding photographic print)
Repository: Library of Congress Prints and Photographs Division Washington, D.C. 20540 USA https://hdl.loc.gov/loc.pnp/pp.print