Hole 37 (continued). From To Th. 46'1" 58'7" 12'6" Shale and minor clay as follows:- (46'1" - 58'5" interval has recovery exceeding thickness by 2\frac{1}{4}" - following by actual recovery) 9" Dark gray to black shale coaly shale + 'slate'. 10'8" Dark gray silty shale, locally less fine sandy. 2'10" streaks - Dark gray clay shale 1'4" Black, locally coaly, ? hard clay shale. 6" Gray 'slicked clay', fairly hard, subplastic 58'7" 61'6" 2'' As follows:- 29" (21" actual recovery) Coal 3" Hard black coaly clay 3" Coal 61'6" 66'3" 4'9" Hard clay as follows 8" Hard Black coaly top blocks, scattered fine modules in lower 3" 16" Dark to-light gray flinty block modules (rock's increase in size downward) ? > 15" Flint clay ? Gray, slicked clay, softer than normal. Goes into flinty block + blocks. Scattered modules. 18" Sideritic block, also somewhat softer than normal. Mercer Shale Mercer Coal (lower) Mercer Clay