Hole 47 Surf. Elev. Depth 66'3" From To Th. 0 4'-4" 4'-4" Overburden 4'-4" 7'-10" 3'-6" Sandy plastic clay mottled and stained white, gray, and brown. 7-10 7-10=3 7'-10" 10'-3" 2'-5" Light brown shale fine grained micaceous sandstone minor clayey streaks. 10'3" 20'9" 10'6" Medium grained sandstone, light gray, local brownish stain, coal streaks and partings, minor fine grained zones. 20'9" 22' 1'3" Gray medium to fine grained sandstone, med. grained occurs as laminas in other. 22' 24'5" 2'5" Dark gray sandy clay shale with streaks of fine ss. 24'5" 35'1" 10'8" Light gray medium grained micaceous sandstone with coal streaks and partings. Basal 7" very hardly. 35'1" 41' 5'11" Dark gray to black, locally silty shale. 41' 48'4" 7'4" Black clay shale 48'4 50'4 2' Coal 50'4 51'11" 1'7" Waxy gray slicked clay with root? remains. A number of clay increasing in hardness downward, if hard would be a typical flint. 51'11" 57'6" 5'7" Hard clay as follows: 15" Flint to flinty block (hard equivalent above) 15" Nodule clay (Nodule Block) 15" Sideritic nodule block 22" Block -sideritic Flump