535-7 Dark gray siltstone, shaley in lower part, plant rootlets throught. 536-4 Carb. shale with interlaminated sandstone 536-7 Coal and bone 540-5 Silty claystone, irregular patches fine sandstone 546-9 'Fine ss grading to interbedded shaley siltstone and fine Sandstone. 554-5 Gray silty 'shale', carb. shale and siderite pellet zones in lower half. 557- 5 Coal Mt. Savage 562-1 Tan semiplastic clay and shaley clay, thin beds of flint clay and claystone (for detailed log see 'clay samples') 565-10 Dark gray to black siltstone with interlaminated fine Sandstone. 569- 4 Dark gray siltstone grading to gray shale. 571- 2 Coal and bone 578- 8 Gray siltstone, plant rootlets, sandy in lower part 586 Interbedded siltstone and fine sandstone. 605-4 Medium grained quartzitic, stylolitic, sandstone 608-9 Conglomerate, inclusions of coal at 606-6 to 608. 631 Medium grained stylolitic sandstone, some coarse zones. T.D. 631' 101.