WEST RAGGED REEF TO MINUDIE (1). — LOGAN. 423 



Ft. In. 



Red argillaceous shale, 6 



Red argillo-arenaceous shale, 17 



Greenish j^ray sandstone, 2 



Red argillo-arenaceous shale, 2 



Greenish gray sandstone, 1 



Red argillo-arenaceous shale, 18 



Greenish gray sandstone, 7 



Red argillo-arenaceous shale, 6 



Greenish gray sandstone, 1 



Red argillo-arenaceous shale, with green bands, 8 



Greenish gray sandstone of a coarse grit, 19 



Measures concealed. This is where the jSortli Branch of 



tlie Two Rivers occurs, 16 



Greenish gray sandstone of a coarse grit, with some beds 

 of conglomerate, having red and white quartz pebbles, 



the largest of which would weigh about two ounces, . 20 



Red argillaceous shale, 12 



Greenish gray sandstone of a coarse grit, some parts of 

 which are fit for large grindstones, commonly called 



water-stones by the quarrymen, 76 



Greenish gray sandstone, with divisional layers of aren- 

 aceous shale, 4 



Red argillaceous shale, 19 



Red argillaceous shale, with greenish gray arenaceous 



shale at the top, 19 



Greenish gray sandstone, 1 



Red argillaceous shale, 4 



Greenish gray sandstone, 2 



Red argillaceous shale, . . . . 6 



Greenish gray sandstone, 5 



Red argillaceous shale and green arenaceous shale, with 

 a few bands of greenish gra}' sandstone. This deposit 



is chiefly red shale, 32 



Greenish gray sandstone, 24 



