94 The American Geologist. August, 1905 
30. Flint and limestone, Florence flint 22 " 6 " 
29. Limestone, shaly; and shales 3 " 6 
28. Shales, red, green, and olive 7 " 6 
27. Shales, calcareous 1 " 
26. Shales, red and yellow 9 " 
25. Limestone " 6 
24. Shales '. 4 " 6 
23. Limestone and shales 2 " 6 
22. Shales 2 " 
21. Shales, indurated; and limestone 1 " 6 
20. Shales, light colored 4 " 
19. Limestone, to " 4 
18. Shales, light reddish 4 " 6 
17. Limestone, slabby 6 inch to 1 " 
16. Shales, reddish 2 " 
15. Limestone, massive 1 " 
14. Covered 3 " 
13. Flint and limestone 3+ " 
12. Covered 45 " 
11. Shales, maroon and green 4 " 
10. Limestones with green shale partings 2 " 6 
9. Shales, green 2+ " 
8. Limestone, gray " 9 
7. Shales, bright green 1 " 
6. Limestone 2 " 
5. Clay and shales, lower y 2 cross bedded and 
blocky 9 " 
4. Conglomerate with calcareous cement, fish 
teeth, 1 inch to " 2 
3. Clay, with smooth joints " 9 
2. Shales, blue, green and maroon, indurated.... 4 " 
1. Shales, reddish, lower part covered, high water 
level 3 " 
Total 210 ft. inches 
This gives 29 feet of the Garrison formation in this 
exposure with probably 23 feet to be added as Hay's sec- 
tion gives 25 feet as the thickness of the Wreford at this 
locality. It is very probable that number 13 of our section 
is the top of the Wreford. The thickness of the Matfield 
formation here, is 48 feet (52 feet according to Hay). The 
Florence flint is 22^4 feet (given as 25 to 30 feet by Hay). 
If number 29 were added to the Florence flint it would cor- 
