Foundation of soft yellow poros after removal of fill in footing trench. Stone packing in trench remains, including the large block in the lower right corner of the picture ... east 103 Horizontal (normal) ... 7 May 1959
Foundation of soft yellow poros after removal of fill in footing trench. Stone packing in trench remains, including the large block in the lower right corner of the picture ... AMS east 103 Horizontal (normal) ... 7 May 1959
