WEST RAGGED REEF TO MINUDIE (O). — LOGAN. 425 



Ft. In. 



Measures only partially seen, and containing some aren- 

 aceous shale, 18 



Reddish yellow sand&tone, 2 



Measures concealed, but shown by the shape of the 



surface to be soft, 4 



Reddish yellow sandstone of a coarse grit, fit for water- 

 stones, 15 



Red argillaceous shale, 7 



Reddish yellow sandstone of a coarse grit, fit for water- 

 stones, 12 



Red argillaceous shale, with greenish gray arenaceous 



shale in three beds, 47 



Greenish gray sandstones, 7 



Red argillaceous shale, 3 



Greenish gray sandstone, 14 



Dark green shale, 1 



Gray sandstone, 25 



Red argillo-arenaceous shale, with greenish gray aren- 

 aceous shale, and some few layers of sandstone, 42 



Greenish gray sandstone, 9 



Greenish gray arenaceous shale and sandstone, with red 



and gray argillaceous shale, 24 



Red argillaceous shale, with green arenaceous shale,. ... 26 



Gray sandstone fit for grindstones, 21 



Red and green shale, .... 11 



Greenish gray sandstone, 4 



Red argillaceous and arenaceous shale, 5 



Greenish gray sandstone of various qualities, chiefly of 

 coarse grit, fit for large grindstones or water-stones; 

 much of it, however, is fi le enough for small stones; 



both are made from the Reef, 97 



Red argillaceous and greenish gray arenaceous shale,. . . 13 

 Gray sandstone fit for grindstones, the bottom part of a 



coarse grit. This constitutes Ragged Reef Point,... . 35 



Red argillaceous shale, 15 



