D 2,0 Sandstone, thin-bedded, fine gr wathous buff to yellowish gray, forms platy ledge too merging with lssse overly 18.5 where latter is massive. Worm trails < 20,0t Interbedded siltstone and fine grained sandstone, laminated, thin-bedded, worm trails & burrows. A variable unit which goes laterally both to shaly siltst. a shale with thin ss beds and to dominantly ss, though latter mostly in upper 10' while lower part varies relatively soft & silty. B 5,0 Siltstone, shaley, gray, some thin leases sandstone & sandy siltstone chiefly in b2s2l 2 feet. A 4,6 Sandstone in massive beds, laminated to x-1m with some thin inter beds shaly gray siltstone. Laterally this channel sand unit lenses out into shaly siltst. (see part B) but to W it appears to thicken to local lens massive ss 15' or more 29