176 KANSAS UNIVERSITY QUARTERLY. 



Messrs. McCann, Davis, and Mabaffy. The rock quarries into 

 good dimension stone, and supplies the local demand for a dis- 

 tance of fifteen or twenty miles. Several business blocks in 

 Black well are built of the store from these quarries. 



The following sections, illustrative of the character of the 

 rock both below and above the ledge, were taken in the vicinity. 



Section No. 1. — The lower part, to No. 14, taken on D. Camp- 

 bell's farm ; the remainder at Jones's butte, one mile east of 

 McCann 's quarry : 



21. Butte capped with two feet of massive red sandstone (the Mc- Feet. 



Cann) 2 79 



20. Arenaceous red shale 6 77 



19. Soft grav limestone, in blocks 1^2 ''1 



18. Red clay 4 70i.> 



17. Blue clay shales •. 4 66i.^ 



16. Red clay 3 62i.'> 



15. Bluish shale with bands of red 6 o9}2 



14. Hard grayish limestone, forming escarpment 3^3 ^^34 



1.3. Reddish and bluish shales 7 53 



12. Kather hard grayish limestone, forming escarpment Vo "^^ 



11. Bluish and greenish shales 3 453^ 



10. Several layers of limestone one inch thick, in blue shale 1 423^- 



9. Blue shale with green and red bands 11 413^ 



8. Red clay 5 3034 



7. Bluish limestone ^^ 25}^ 



6. Bluish clay with red streaks 3}^ 25 



5. Shalv gray limestone 3^ 21i-. 



4. Blue'clay 134 21 ' 



3. Soft white limestone lo 1934 



2. Red and green clay 4 19 



1. Covered slope from creek 15 



Section No. 2. — Four miles northwest of McCann's quarry 

 and one mile north of the post-office of Osborne. The base of the 

 section is probably not to exceed twenty feet above the McCann. 

 sandstone : 



JVo. Feet. 



10. Red soil and gravel resting unconformably on No. 9 (Pleistocene), 8 29i-> 



9. Red clay 3 211.1 



8. Blue clay -^4 18i._> 



7. Red clay with bands of blue 8 17'^'4 



6. Rather hard white limestone 34 9'^4 



5. Red clay 2 91.3 



4. Blue and green shale fo l^-> 



3. Red clay .3 7 



2. Thin layer white limestone separated by shale 1 4 



1. Hard red clay in creek bed 3 



At this point the strata are exposed for more than 100 yards 

 along the bluff. In this distance, four distinct faults are no- 

 ticed. The strata have slipped from one to three feet. 



The dip of all the strata seems to be to the southeast. 



A comparison of sections No. 1 and No. 2 will show that 



