(4) 17,0 Thickly interbedded shale and vfg sand as above. At top is layer hard sandy ls cones, much green sul size material (see sample) which to brown talc masses locally fractured in grey silt-sized & cone-in-cone. Laterally this cone zone set within about 1.5, usually persistent top layer Intervals has yielded clean and small dentalium sorts throughout (see sample.) Seen in cone layers too. Few ammonite frags, One partial spleno (huge) near base. Zone red horn with sandy wormbones intermittent & small about 4.6 from base another approx 12 ft from base. (5) 1.5 As above with persistent cone layer in upper 0.8 to 1 - flat oval to tubular messes, gray fg ss x lam + C-14-C jackets. Cones + sediment have small nuculae. T.4216 Section 2 - Slump face just w of 286 set shows the upper jerosite and the c bentonite, Interval joins set 73 +plus 240 1.3+ bentonite 6.5 - Dk grey finely silky shale, withs to grey chips, some Fe stain, vfg Sandy laminae + thin lense in upper 1.0 + and bgsrf 1.0. Note old 73 sec 286 286 D #2 #1 Key for piecing c bentonite sections around Upper jerosite Thunder Butt crossing Same location [illegible] not pos < [illegible] 39