File:Union Soldiers at Georgetown.jpg

Union soldiers guarding the Potomac River in 1861. Behind them is the old Aqueduct bridge and Georgetown University on top of the hill.

Description: Union soldiers guarding the Potomac River in 1861. Behind them is the old Aqueduct bridge and Georgetown University on top of the hill.

Artist: George N. Barnard

Date:  1861

Source: Other versions:Library of Congress http://hdl.loc.gov/loc.pnp/cwpb.00928

Permission: Public domain. This image is in the public domain because its copyright has expired. This applies to the United States, Canada, the European Union and those countries with a copyright term of life of the author plus 70 years.(Reusing this image)"No known restrictions on publication." Obtained from Wikimedia commons: http://commons.wikimedia.org/wiki/File:Georgetown_1861.jpg