.bk A15 .fl N729ms1.j .fd feature ds f409 to f410 .ed N729 .ei ms .rd N720 .ri ms f 409 df ly ds pebble layer found in n baulk of k15. Covers just a small area and does not seem to be related to any other features. Seen in v191, 191a, 191b. P1 N724 f 410 df pb ds two large stones w of pit f394 in k5. There is no clear association with any other features. May somehow be related to w f413, or may be related to the pit f394.