Notebook ... T.L. Shear, Jr ... 1748 1947 ... 1967
Hydraulic Unknown Limestone (Polygonal Masonry) Good, long stretches preserved ... Ca. 500 B.C.
Cross Cut E showing the back of the east wall of the drain resting on the dug bedrock fill of Layer VIII. The bedrock can be seen at bottom ... AMS west 1825 Horizontal (normal) ... July 1967
