Stevenson.] ^^" [Nov. 21, 



13. Concealed 103' 



14. Sandstone, flaggy but irregular ; many layers 



crowded with Spirophyton ; Productella present 

 but not plentiful 15' 



15 . Concealed 55' 



Total of Chemung 350' 



Hamilton. 



16. Shales, areno-argillaceous ; dark gray ; laminated 



to fissile ; no fossils observed except one ob- 

 scure Chonetes 136' 



17. Concealed 33' 



18. Shales yellow to ashen, clayey to sandy 88' 



19. Concealed in river " bottom" 200' 



20. Shales lilie No. 18, laminated to fissile 300' 



21. Shales, alternating black and gray, probably. . . 150' 



Total of Hamilton 907' 



This brings one to the Clinton rocks which form the bench of Clinch 

 mountain, there being no Oriskany or Lower Helderberg. The Poor val- 

 ley road from Mendota to Little Moccasin creek lies in Hamilton or Clin- 

 ton for most of the way and reaches the North Fork of Holston at the 

 big bend about four miles below the creek. Following the curve of the 

 stream, the road soon touches the white sandstone of the Clinton and 

 fragments of fossil ore occur in considerable numbers. But at somewhat 

 more than a mile below Little Moccasin creek, the road and river pass 

 from the Silurian into the Devonian, so that at the mouth of tliat creek 

 they are in the Chemung, with a cliff of Chemung rocks on the south side 

 of the river and the Lower Carboniferous just beyond. 



On Little Moccasin, the Hamilton is shown at the roadside for some 

 distance above Mr. Kutz' house. The Chemung sandstones form the crest 

 of Brushy mountain, whicli, from this line north eastward, is an imposing 

 ridge. Tlie lower black shales of the Hamilton are no longer shown, but 

 they are said to have been exposed in a mill-race not more than one-fourth 

 of a mile above Mr. Kutz' house. Everything is concealed thence until 

 beyond the road leading into Brumley cove, where an exposure begins as 

 follows : 



Clinton. 



1. Sandstone and shales, the latter predominating ; dip 



27° IC 



Medina, upper. 



2. Sandstone with thin shale and Arthrop?iycus ; much 



of it snowy white ; dip 22° 95' 



3. Concealed 75' 



4. Massive sandstone, dip 20° 45' 



