Grave XX in notebook = RSY Grave 16. PD 731-i ... Late 6th. c. B.C.
Grave XXIII in notebook = RSY Grave 46. Late Hellenistic filling in a disturbed grave, west of Areopagus ... 19 June 1939
Sacrificial Pit I in notebook = RSY Grave 20 ... Ca. 510-490 B.C.
Sacrificial Pit II in notebook = RSY Grave 7 ... Ca. 540 B.C.