Exhedra in Fork of Great Drain Monument in Fork of Great Drain; Filling of Plundered Foundation Pit Monument in Fork of Great Drain; Layer to North Through Which Monument was Set Monument in Fork of Great Drain; Footing Trenches Inside Exhedra; Layer I Inside Exhedra; Layer II Inside Exhedra; Layer III Inside Exhedra; Layer IV Inside Propylon of Bouleutherion Inside Exhedra; Layer V Inside Exhedra; Layer VI; Area of Road Inside Propylon; Mid Part; Layer I Inside Propylon; Layer II, Dug Bedrock Inside Propylon; Loose Stone Filling of Pit Inside Propylon; Filling Inside Northeast Corner of Propylon Foundations Inside Propylon; Southwest Part; Layer I
Jun 11 1937 Mar 14 1938 Mar 15 1938 Jul 16 1938 Mar 16 1938 Mar 18 1938 Mar 19 1938 Apr 1 1938
3rd - 5th A.D. 5th - 4th B.C. 6th - 4th B.C. Geometric - 5th B.C. Late 4th - Early 5th B.C. Second Half of 6th B.C. 4th B.C. Third Quarter of 6th B.C. 6th - Early 5th B.C.