View of the annex circa 1950. New additions were added on the north side of the entrance (the new area is indicated by its gray roof). | 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 Unpublished essay.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 Unpublished essay.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.