SL Senior student & trace fossil exposed on sole of SS bed. Two experiments taken. 908 A (in pieces) 908 B (1 piece). Breabup bed - details of unit total from prev page. +1.40m SS, f.g. planar welded sets 2cm thick w/ casts trans. on b.PS +60cm Siltstone +30cm SS, f.g. w/ traces on top - see slides +70cm Siltstone. +1.2m SS, u.f.p. v. planar fine laminal then pervasional base +80cm rippled fa SS w/ thin siltstone apron w/ v. ablen. carbonaceous material on the b.P. Slide photo of unit. Unit forms small shoulder