Junction of the southwest annex with the southwest corner of the main building. View before stripping orthostates in the south wall of the annex ... southwest 4290 Horizontal (normal) ... 21 Jul 1966
Junction of the southwest annex with the southwest corner of the main building. View after stripping of orthostates in the south wall of the annex ... southwest 4291 Horizontal (normal) ... 21 Jul 1966
