Cross-section through west trench from grid J/19-5/15 to K/10-5/1 in Section ΒΓ ... W.B. Dinsmoor, Jr ... Dirty Heavy Tracing Paper Drafting Ink ... 1980 ... Cross-section through west trench from grid J/19-5/15 to K/10-5/1 in Section ΒΓ.