This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Keywords from Image Description:
View from King George Bastion toward Queen's Bastion powder magazine in foreground well curb at right center... NARA .tif Scope and content General notes Local identifier Tennessee Valley Authority Information Office Fort Loudoun in Monroe County Tennessee incorrectly labeled in the NARA database as NARAPlace Fort Sanders Knoxville