Eden school section A, - SW SE SE sec 19, T6N, R.5 E., Sturgis (7/2) quad. in local badlands Measuring up from top upper Lakota siltstone Dip under 10° 1) 7.0 Interbedded silty claysone + jugilleccous siltstone, purple at base, light gray above, silty stuff irreq. distrib. clay predom. considerably O-13 staining in upper foott 2) 8.5 Claystone, gray to black, chiefly black in upper 5 ft, plastic, sto waxy loc. minor silt. (Polished pebbles loc. in float) finely silty, gray becoming light gray; 3) 5.0 Claystone, gray with some Minor red mottling and O.B. stain, upper 1.0 heavily stained yellowish OB. 4) 0.5 to 1.0 Siltstone, and silty claystone, silt in irreg, lumpy messes. Gray. 5) 6.3 ± Claystone, gray, slightly silty, with local OB to olive yellow stain in streaks. Weathers to relatively smooth surface 24