Undug Fill. Deep Built Shaft. Hard Bedrock Cut. Soft Stereo Cut. Tank. North Side of Deep Northwest-Southeast Cutting. Southwest corner. Deep Early Channel ... ΝΝ-19 3693, 3694 ΝΝ 2234 P 17122 ΝΝ 2235 P 17123 ΝΝ 2232 P 17120 ΝΝ 2233 P 17121 ΝΝ 2251 P 17135 Lot ΝΝ 298 ... 8 Jul 1946