CATSKILL FORMATION. G 5 . 60 



Susquehanna county, consists of about 360' of gray and 

 greenish-gray, current-bedded sandstone, overlying 100' of 

 red and olive shales ; and the sandstone mass subdivides 

 itself into upper, middle, and lower, 40'. 300, and 20' thick 

 respectively, in varions parts of the region. 



New Milford upper sandstone (14), 20' thick. — This is a 

 massive looking, grayish, current-bedded stratum, conspicu- 

 ous in long lines of bold cliffs near the hill tops of northern 

 and central Susquehanna county ; well seen from where the 

 Xew Milford and Montrose road looks down upon Martins 

 creek ;* in the rock-cut at the hill top on the road from 

 Summerville over to Great Bend ; and in the Hinkerman 

 Ledge north of Great Bend. 



New Milford middle sand and shales (15) 300' thick. — 

 Greenish -gray, current-bedded sondstone 20' to 25' thick, 

 regularly alternating with shales (some of them red) from 30' 

 to 50' thick, outcrops on the side slopes over a great extent 

 of country in northern Susquehanna county. 



New Milford lower sandstone (16) 20' thick. — This lowest 

 of the Catskill current bedded sandstone deposits makes a 

 fine show in the hill opposite the New Milford depot, 70' 

 above the R.R. and 1150' above tide. 



It is especially valuable as a guide to the geologist in 

 search of the upper limit of the Chemung (200' beneath it,) 

 because it can be traced from the Xew Milford depot in an 

 almost unbroken line of cliffs all the way north to Great 

 Bend, where as the "Fort '76 Cliff" rock it overhangs the 

 Susquehanna river more than 400' ; and can thence be fol- 

 lowed along the right bank, in frequent cliffs, past Susque- 

 hanna Depot, a mile beyond (below") which it circles round 

 the hills at 375' above the river level. 



From Susquehanna Depot, northeastward, along the line 

 of the Erie railroad, its outcrop rises, until at the Summit 

 Cut (5 miles north of the State line) it lies 150' above R.R. 

 grade. =1525' A. T. 



Southeastward from the Summit Cut the dip carries it 

 it down until, at Deposit on the Delaware river, its outcrop, 



* One and a half miles from New Milford, where the rock lies 1500' A. T\ 



