1876,] 



129 



[Lesley. 



GGX bis. Southern Pennsylvania R. Ji. 

 No levels could be obtained. 



a One mile south of Marion, and seven miles south of Chambersburg. 



CCXI. Summit Branch R. B. 



Levels of the Summit Branch R. R., were furnished by Mr.W. E. Ray.Supt. of 

 the R. R., and cannot be relied upon as being entirely correct; but it is the 

 only record which could be found of the road. 



This road is called also the Lyken's Valley R. R. 



Datum : Mean tide at Baltimore. 



a On the Susquehanna River, east side ; junction witli Northern Central 

 Railroad. 



6 Summit Branch Colliery. Connection broken for several miles -with the 

 Railroad from Brookside, past Good Spring, to Tremont and Pottsville. 



CCXII. Selinsgrove and N. B. B. B. 



Elevations on the line of the Selinsgrove and North Branch R. R. and of the 

 MifHintown Branch, of the same, were copied from notes in possession of Mr. 

 W. A. Meeker, at Selinsgrove, Pa. 



Datum assumed at a point on the D. L. & W. R. R. at Northumberland. 



The second column gives tlie correlative heights above mean tide (Ocean 

 level?) at Baltimore. 



Note. This R. R. has never been built. Only the preliminary line levels at 

 the points named are given in the following table. 



The line starts in Northumberland at the terminus of tlie Bloomsburg Divi- 

 sion of the Delaware, Lackawanna & Western R. R., crosses the mouth of the 

 West Branch Susquehanna, and keeps down the right bank of the Susque- 

 hanna River, to the mouth of the Juniata River (Table CCXII). 



PKOC. AMER. PHILOS. SOC. XVI. 97. Q 



