East room. Second marble base from the south end ... south 2166 Horizontal (normal) ... 2 Sep 1964
West half. Foundation for the croswall between Rooms A and B ... north 2150 Horizontal (normal) ... 1 Sep 1964
West half. Foundation for the crosswall between Rooms A and B ... northeast 2160 Horizontal (normal) ... 1 Sep 1964
West half. Foundation for the crosswall between Rooms A and B ... southwest 2158 Horizontal (normal) ... 1 Sep 1964
West half. Foundation for the crosswall between Rooms A and B ... north 2164 Horizontal (normal) ... September 1964
Southeast corner of the building ... south 2424 Horizontal (normal) ... 17 Sep 1965
Inside the northeast corner, cleared to bedrock ... north 2262 Horizontal (normal) ... 23 Jun 1967
View of the east foundation with gap in the east face ... west 2140 Horizontal (normal) ... August 1964
