The following pieces from E 6:4 exhibit joins with pottery from this cistern and could be listed here as well: P 7836-P 7839.
Cf. Hesperia Suppl. 50 (2018), p. 19, n. 51. Coins:
15 March 1937 #1
16 March ... Mid-Late Byz.
Drain channel system along the line of an ancient north-south road, the channel in part at the surface and in part tunneled and accessible by shafts. Over a considerable part of this channel the hard water ... 2nd-early 3rd c. A.D.