SECTION FROM RITCHIE MINES WELL 279 



Material. Feet. Feet. 



Red rock •. 15 to 672 



Black slate and shale 28 700 



Red rock 40 740 



Limestone and shells 10 750 



Red rock 10 760 



Light red shale 5 765 



Red rock 20 785 



Blue sand and limestone 15 800 



Sand, gray, with show of oil 30 830 



Hard shell of flint and limestone , . 10 840 



Sand and slate (cased 6^ inches).. 30 870 



Slate 10 880 



Sand with limestone 10 890 



Slate, dark 55 945 



Sand, gray, with shell to bottom 15 960 



Slate, light 10 970 



Sand, gray 10 980 



Coal 5 985 



Slate, black 5 990 



Sand, gray 15 1,005 



Slateandsand '. . . . 10 1,015 



Slate 5 1,020 



Sand, light gray and soft 25 1,045 



Slate, dark 5 1,050 



Sand 20 1,070 



Slate : ■.. 20 1,090 



Sand, white (gas enough to run boiler) 15 1,105 



Unrecorded 37 1,142 



Sand, white 33 1,175 



Break of slate 5 1,180 



Sand, white 30 1,210 



Slate 150 1,360 



Sand, gray and coarse 20 1,380 



Slate 8 1,388 



Sand, gray and coarse 12 1,400 



Shell 2 1,402 



Slate, black 88 1,490 



White sand (" salt," gas) .... 25 j ^^.^.^ ^.^ ^^^^^^ ^0 1 530 



Sand (oil at 1,530) 15 i 



Sand 26 1,556 



Slate 4 1,560 



Sand, base of Pottsville 23 1,583 



Limestone (Greenbrier) 67 1,650 



Top of " Big Injun " sand CPocono) 1,652 



This well begins 140 feet below the Washington coal, and thus a few 



