This 3-D model shows how the annex looked at the time it was dedicated in 1893. | Creator: Brian Olson. | Source: "3-D model of the Annex in 1950.” Olson, Brian. “Of Tunnels and Annexes 2020.” Unpublished essay. Used by permission of the author. Download Original File
Creator
Brian Olson.
Source
"3-D model of the Annex in 1950.” Olson, Brian. “Of Tunnels and Annexes 2020.” Unpublished essay. Used by permission of the author.
