424-2 Dark shale, coaly streaks. 435- Siltstone + interbedded sandstone, little marcesse downwards). 1' carb. silty clay at top. 449 Fine to medium sandstone 467 Medium to coarse, conglomelatic top & bottom. nucleation zone at base Buffalo 473-8 Argillaceous siltstone 475 Dark gray silty bastard clay 493 Siltstone, locally sandy. 4195 Gray silty clay 502 Red silty clay, green mottling 508 Silty claystone, locally fragmental (GC-151) 524 Siltstone grading to fine SS 576-6 Medium sandstone. 577 Sandy to silty shale. 578-11 Coal - Davis 590 Dark gray claystone to silty claystone, calcareous pellets scattered throughout. fragmental 614 Silty claystone, calcareous in lower 1/2. 624-4 Gray siltstone, silty claystone at base. 631 Fine grained X brown sandstone 641 Argillaceous siltstone 655 Siltstone, silty claystone, minor shale - interbedded. sandy at top 665-6 Fine to medium sandstone. 670-3 Dark to carb. shale 670-6 Coaly shale 680-2 Laminated fine SS + siltstone. 683-2 Dark shale, silty 684-3 Coal + partings 684-9 Dark silty shale 687-6 Argillaceous limestone 696-8 Siltstone and silty claystone 701-2 Gray to dark gray shale interbedded sandstone 705-2 Carb. shale 706-1 Coal 707-4 Coaly shale, pyritic 12