Hole #5CB El. 2520 0 to 20 Surficial material 57 Medium to fine grained sandstone, locally buff-weathered. 61 Dark gray silty and shaly clay (grades into ->) 83-5 Black shale, marine fossils (Ames) 85-1 Coal (no recovery) HARLEM 106-9 Gray, pyritic, limey claystone, limestone pellets and clay inclusions (CBSI) 114-6 Greenish gray silty clay, dark gray mottling. 119-6 Calcareous claystone, minor claystone, limestone pellets and inclusions throughout 124-6 Greenish gray claystone scattered irregular lenses light gray limestone 126-8 Red and green, locally silty clay 128-6 Mottled green and gray silty clay 138 Greenish gray silty claystone + clayey siltstone irregular lenses argillaceous limestone. 147 Greenish gray Siltstone, sandy streaks 169-6 Fine to medium grained sandstone 171-6 Silty and sandy claystone, streaks fine sandstone, (dark gray) 172-2 Argillaceous limestone 173-6 Silty gray clay 174 Argillaceous limestone 180-9 Calcareous claystone, limestone pellets, 21" argillaceous limestone at base 183-6 Silty pyritic clay, limestone inclusions 189 Shaly, silty, gray claystone 190-7 Argillaceous limestone interbedded with silty claystone 202-2 Interbedded dark gray siltstone and fine sandstone, plant fragments 203-10 Dark gray shaly claystone 205-11 Coal LOWER BAKERTOWN 213 Dark to light gray bastard clay becoming increasingly silty downward. 23.