1 88 KNOWLTON 



ft. in. 



Sandstone 2 6 



Shale 3 



Coal 7 



Shale 6 



Coal, dirty, with several white partings, one-half inch to i 



inch thick (Laneybed) (C) 5 



Shale I 



Sandstone 2 



Shale 4 



Limestone, weathering red 6 



Sandstone, gray with some thin layers of shale 25 



Limestone, weathering red 6 



Shale, sandy, yellowish gray 8 



Coal 8 



Shale 3 



Sandstone, friable, gray 20 



Shale, sandy, many concretions 5 



Limestone, weathering red 3 



Sandstone, coarse, gray 17 



Limestone, weathering light red 6 



Sandstone 3 



Shale, brown with blue bands 10 



Sandstone 6 



Coal and shale 2 



Shale, sandy, gray, usually cross-bedded 50 



Coal 6 



Shale, sandy 5 



Coal (kircher bed) (A) 5 



465 3 



The lower member is "conformably overlain by more homoge- 

 neous rocks, mainly sandy shale, which as exposed by erosion are 

 generally of a light-yellow color," thus making the typical upper 

 member. 



Plants have been obtained from the lower member in this area as 

 follows: 



Six miles east of Miles City and 15 feet above the Kircher coal (A of sec- 

 tion, yielded: 

 Glyptostrobw; europccus (Brongn.) Heer. 

 Popidiis cuncata Newb. 

 Populus amhlyrhyncha Ward. 

 Viburnnvi sp. 

 Bluffs of Yellowstone opposite Miles City, 1 15-125 feet above river (C of 

 section') : 

 M arcJmnlia pealei Knowlton. 

 Onoclca scnsibilis ossilis Newb. 



