17.5 3.8 15.3 ---- Zone swell OB wezth cones. 15.0 Covered - wash on shale slope. Upper 3.8 was trenchd, is Shale; dk gray to gray, becoming progressively more silty upward, is finely silty, few red frags, specs. Grades to unit above Siltstone, clzgy, loc shaly, wezths light gray, tough blocky holds u/vhczl fccc. Breakdwn of conc layers follows Above b2se. 3.5 - Swell bezren cones - concent Loc B, col #1 bands stein. Gyp gze kafs. coll 11a chiefly bezren or big pterias 8.0 { Large cones, is, gyp jackob bezren. This lowest cone. Loc B, Col #2} betw. 8+18' Also swelle coll 11b scet ones, Big Gerullius. 19.0 Red brown conc., is, some with peznut Britlly. Loc B, col #3 Local lush fauna. coll 11c 53