Hole 27 Surf. Elev. Depth 45'3" From To Th. 0 6'5" 6'5" Overburden and recovery of 2' of light gray micaceous fine- grained sandstone. 6'5" 30'3" 23'10" Sandstone, medium to fine Homewood grained light gray to gray s.s. micaceous, coaly partings (May me. some in lower 7 feet. desion with A boring out) 30'3" 30'11" 8" Dark blue carbonaceous coal boron clay shale; 3/4" coal streak at 30'6" and minor 'slate'. 30'11" 36'9" 5'10" Hard clay as follows:- 9" Dark gray flinty 'top' block 13" Gray block to flint (scattered) 35" Sideritic blocks modules 13" Coarsely nodular sideritic block. clay Worcester 36'9" 48'9" 7' Shaley blocks, light to dark gray, mottled, sideritic, (if Fe bumps are siderite) may be conglo- eratic. 43'9" 45'3" 1'6" Red and greenish gray silty shale with small lumps Much of Fe mineral. chunkle