Image: Union breastworks Culp's Hill Gettysburg
Description: Gettysburg, Pennsylvania. Federal breastworks in the woods on Culp's Hill
Title: Union breastworks Culp's Hill Gettysburg
Credit: The Library of Congress/American Memory (Digital ID: cwpb 01643 Source: digital file from original neg.)) 
Permission: No known restrictions on publication.
Usage Terms: Public domain
License: Public domain
Attribution Required?: No