1 64 CHARLES S. PROSSER 



in rocks belonging to the same strata as those of the lower 

 Green quarry. 



SECTION OF THE GREEN QUARRY. 



Ft. Ft. 



i6. Soil containing bowlders of Dakota sandstone 2 to 3 



feet thick - - - - - - - -3 — wiyi 



15. Light gray sandstone .-..-■- ^-j- ~ iogj4 



14. Shale with abundant ferruginous concretions (probably 



the base of the Dakota sandstone) - - - - j^ = 104^ 



13. Brownish yellow shales containing large flint pebbles 



mixed with others - - - - - - -i =104 



12. Yellowish brown shale - - - - - - i =103 



II. Red shale more compact than that in the Parmlee 



quarry on the south side of the Platte River - - 4 =102 



10. Yellowish shaly limestones - - - - - 4 = g8 



g. Gray limestone, in some places very light gray and in 



others yellowish. Fossiliferous (same as quarry stone 



No. 7 of Parmlee quarry on south side of the Platte) 



8. Covered slope ...--. 3 



7. Brownish yellow limestone that weathers to an ochre 



color. Contains large numbers of fragments of shells 



6. Very yellow soft shales . . . . . 



5. Grayish, somewhat shaly limestone 



4. Massive grayish limestone with brownish specks and 



blotches. Some Fusulitias and other fossils. Lower 



part brownish-red in places - - - . - 



3. Yellowish shaly limestone and shales ... 



2. Light gray to drab and bluish limestone ; the upper 



part is more shaly. Contains fossils, especially y4//zj/rzj 



subtilita ....... 12 = 34 



I. Covered slope, level of Platte River, near loio feet 



A. T. - - 22 = 22 



The limestones, Nos. 2 and g, of the above section are quite 

 fossiliferous, especially the more shaly layers. In No. 2 the 

 following species were collected : 



Athyris [Seminula) subtilita (Hall) Newb. (a). 

 Spirifer cameratus Morton (r). _^ 



Productus costaius Sowb. (r). 

 Prodiictiis lo7igispinus Sowb. (rr). 

 Productus nebrascensis Owen (rr). 



