Soldiers on Picket Duty
Original Author: Unknown
Created: November 1864
Medium: Wet collodion glass-plate negative; one half of stereograph
Publisher: Library of Congress Prints & Photographs Division

Soldiers on Picket Duty

Members of the United States Colored Troops serve as picket guards near the Dutch Gap canal, which was in mid-construction at the time this photograph was taken. African American workers excavating the canal were subject to Confederate gunfire.