BRIDGEWATER. G 5 . 115 



Montrose section. 



1. Sandstone, massive, (base at 1820' A. T.,) 40' 



2. Concealed, 20' 



3. Sandstone, massive gray, 25' 



4. Concealed, 30' 



5. Sandstone, gray, 20' 



6. Shales and gray sandstones, 40' 



7. Red shale, Montrose, visible, 125 



The top member of the series is the most massive layer in 

 this sandstone group and may possibly be identical with the 

 Honesdale upper sandstone, since it is much whiter than 

 any of the others ; and then, it comes at about 700' above the 

 base of the Catskill sandstone series ; while the Honesdale 

 upper sandstone comes at about 800' above the same hori- 

 zon at the eastern line of this county. All the other sand- 

 stones in this series are greenish gray, very much current- 

 bedded and usually finely laminated. 



The Montrose red shale was named from this locality ; it 

 is seen in many of the streets of the town on which exca- 

 vations of any kind have been made, and is especially no- 

 ticeable along Wyalusing street ; also along the Milford and 

 Owega turnpike. The shale is almost blood red and con- 

 tains very few sandy layers. 



If the top stratum of this series represents the Honesdale 

 upper sandstone then is the Montrose red shale horizon 

 identical with the red shale in the Honesdale hill section ; 

 and so far as we can determine the fact they are identical, 

 since both come at about the same horizon (1000') above the 

 top of the Chemung. 



In the northeastern portion of this township, the surface 

 rises to 1900' above tide, and takes in the Montrose sand- 

 stone group near its summit. 



Near Mr. Corwin 1 s a ledge of massive sandstone is seen at 

 1655' A. T. and above it at 1725' another one makes its ap- 

 jJearance. 



Just west from this the hills take in the higher series and 

 we get the following succession : (Fig. 32. ) 



McCorwln's ledge section. 



1. Sandstone, grayish-white, 30' 



2. Concealed, 25' 



