154 CHARLES S. PROSSER 



any of those exposed at Nebraska City we have conclusive proof 

 that no part of that section belongs in the Permian. Time did 

 not permit me to continue this section as far west as the Cre- 

 taceous ; but in the soil and on the surface to the south and 

 west of Dunbar are numerous loose specimens of the brownish- 

 red Dakota sandstone. 



CASS COUNTY. 

 THE WABAUNSEE FORMATION. 



Nehazvka. — Directly north of Otoe county is Cass county, 

 whose eastern border is formed by the Missouri River, and the 

 greater part of the northern by the Platte River. In the south- 

 ern part of the county is Weeping Water Creek, along which are 

 rather low bluffs in which the rocks are quite well shown from 

 Nehawka to the vicinity of Wabash. Meek described a section 

 on this creek called Cedar Bluff, about six miles above its 

 mouth. The section had a thickness of 88+ feet, all of which 

 he correctly referred to the Upper Coal Measures.^ 



The village of Nehawka is sixteen miles by rail northwest 

 of Nebraska City and about one-half mile east of it is the Van 

 Court and Lemist quarry which has been worked for six years. 

 The floor of the quarry is between 90 and 95 feet, according to 

 surveyor's level, above the Nehawka Railroad station, which 

 makes its elevation 170 feet or more above the Missouri River 

 level at Nebraska City, or approximately 1085 ^- T. 



SECTION OF THE NEHAWKA QUARRY. 



Ft. In. Ft. In. 



10. Loess - - - - - - - - - 10 =42 3. 



9. Light gray to slightly bluish limestones that weather yel- 

 lowish, all of which are worked for quarry stone. They 

 are moderately fossiliferous, especially the shaly parts, 



A t hyr is siibtiHta hemg the. xnost common - - 18 = 3^ 3 



8. Shaly limestones - - - - - - 2 =143 



7. Yellow shales that are used for bricks - - ^- i = 12 3, 



6. Limestone used for bridges, the strongest in the quarry 10 = 113 



5. Yellowish shale used for vitrified bricks - - i = 10 5 



^ Fin. Rep. U. S. Geol. Sur. Nebraska, pp. 97-99. 



