Three B&W photographs of the powder magazine at Fort Johnson.
a: Front of powder magazine, corner view; Fort Sumter in distance at left. Label on back of photo: "View of Old Powder Magazine at Fort Johnson which had active part in the Revolution and the Civil War. From Fort Johnson the first shot of the Civil War was shot against Fort Sumter which may be seen in the left background."
b: Front of powder magazine, corner view.
c: Historical marker over door numbered 15.
"Photo Service / Howard R. Jacobs / Master Photo Finishers of America" stamped on back.