1876.] 



87 



[Lesley. 



LII. Chester Valley Railroad 



The levels on the Chester Valley Railroad, were furnished by Mr. W. H. Hoi - 

 stein, Secretary of the Chester Valley Railroad Company. 



Tlie road connects with the Philadelpliia and Reading Railroad at Bridge- 

 port, and witli the Pennsylvania R. R. at Downingtown. 



The base of the levels is mid tide at Philadelphia. Add 3.819 to reduce to 

 Ocean level. 



LIII. PicJcering Valley B. B. 



Of this line only one level was furnislied. 



Datum (Reading R. R.) mean tide at Philadelphia. Add 3.349 for Ocean 

 level. 



a Opposite Norristown, Table L, 

 b On the Pennsylvania R. R. 



