1876.] 



121 



[Lesley. 



CLXV. Tioga E. E. 



Levels on the Tioga R. R. were furnished by Mr. S. B. Elliott, Engineer of the 

 T. R. R. 



The datum is asserted to be that of the Erie R H. at Corning: in other words 

 tlie following figures have been constructed on the basis of the Erie R. R. list, 

 without reference to Mr. Gorton's intermediate station levels. 



STATIONS. 



Lawrenceville , CLXIV 



Somer's Lane 



Mitchell's Creek 



Old Station 



Tioga 



Mill Creek 



Lamb's Creek 



]\Iansfield 



Canoe Camp 



Covington 



Blossburg 



Morris Run (a) 



Arnot (b) 



Fall Brook (c) 



Above Tide. 



1006 

 1018 

 1022 

 1035 

 1042 

 1077 

 1111 

 1140 

 1163 

 1208 

 1348 

 1678 

 1682 

 1842 



Ocean Level. 



a, b, c Coal Mines in the^Blossburg Basin. 



CLXVI. Bradford Branch, Erie Eailway. 



a With the Erie R. R., 407 miles from New York. This road runs south to 

 the coal fields of McKean Co., Pa. 

 6 Highest point on the profile just south of Crawfor^is . 



PROC. AMEB. PHILOS. SOC. XVI. 97. P 



