312 



TRANS. OF THE ACAD. OF SCIENCE. 



Section on Missouri River (continued). 



No. 



Thick- 

 n ss. 

 ft. in 



Total 

 Thick, 

 ft. in 



Description. 



30 



9 

 10 

 11 

 L2 

 13 

 14 



15 



22 



23 



24 



25 

 26 



2; 



18 10 



19 5 6 



20 

 21 



14 

 22 



52 



56 

 57 4 



60 

 80 

 82 

 83 6 



87 6 

 115 6 

 117 6 



118 

 123 6 



129 6 



130 6 



141 6 



144 6 



152 6 



154 



159 6 



173 6 



No. 6 — Fossils on top of No. 7, includ- 

 ing many Crinoids. Iron pyrites 

 abounds. 



No. 7 — 2 feet blue limestone, weathers 

 brown, with Productus Calhounia- 

 nus. 



Somewhat greenish and dull lead-blue 

 hard silico-ferruginous limestone. 



Sandstone ; the upper 8 ft. is irregularly 

 bedded, and micaceous, green; lower 

 part soft, brown. 



Shales and sandstone ; red shales in up- 

 per part; thick-bedded sandstone at 

 bottom. 



Shaly limestone, containing fossils. 



Blue concretionary limestone, traversed 

 by veins of calcareous spar. 



Sandy shales. 



Impure coal and shales. 



Sott blue sandstone. 



Sandstone and sandy shales. 



Dark blue, shaly limestone. 



Red and green shales with limestone 

 nodules. 



Limestone; upper part nodular, light 

 blue, weathers brown, and abounds 

 in Fusulina. 



Blue and drab argillaceous shales, most- 

 ly drab and olive, thick-bedded, some 

 variegated and banded. 



Limestone ; the upper 6" is coarse, daik 

 and shaly ; below fine-grained, bluish- 

 drab ; contains Bcllerophon, Crinoid 

 stems, &c. 



Blue fossiliferous shales; Pecten Broad- 

 headi, Productus, Bryozoa, &c. 



Sandstone, greenish at top ; the lower 3' 

 is quite ferruginous, and contains san- 

 dy ferruginous nodules, 



Blue argillaceous shales. 



Tolerably finegrained blue limestone; 

 perpendicularly jointed ; weathers 

 brown. 



Shaly slope. 



Nodules of limestone in clay, and de- 

 composing limestone. 



Slope ; at lower part is seen a buff lime- 

 stone abounding in Edmondia Huwni, 

 Mualina, Pinna, Productus Rogersii, 

 &C. 



Thick bed of ferruginous limestone, 

 brown crusted on the outside ; con- 

 tains Chonetes, &c. 



3 ft. of greenish shales in the upper part, 

 and 2 ft. of red shales below. 



Sandy shales. 



Atchison Co. 



North 'n part 

 of Holt Co. 



