Lesley.] 



96 



[Jan. 1.5, 



LXIX. Mahanoy and Shamokin B. E. 



STATIONS. 



Head of Grade («) 



Head of iNIahanoy Plane 



Foot of jVIalumoy Plane 



St. Nicholas Colliery 



New Boston Colliery 



Ashland Depot 



Summit 



Kej-stone ... 



Benjamin Franklin Colliery. , 



Locust Summit 



Monteliers Colliery 



Coal Kidge Colliery, No. 2 . , 



Preston Collierj^ No. 1 



Cuyler Colliery, Raven Run. , 



Girardville 



Shenandoah City Depot 



Head of Big Mine Run Plane 



Locust Gap Junction 



Greenl)ack Colliery 



Shamokin Depot 



Trevorton Colliery , 



Herndon Junction (6) , 



a South side Broad Mountain Summit. 



6 Junction with Xorthern Central R. W. at Herndon Station, 1S]4 miles from 

 Trevorton. 



Note. There arc scores of small branching colliery roads and tracks to coal 

 mines not mentioned in the foregoing tables. Civil and mining engineers in 

 the Coal Region are earnestly rctiucsted to furnish all the authentic levels of 

 the intersections of such roads, levels of switches, levels of mouths of gang- 

 ways, and levels of determinate recognizable points on the surface, high and 

 low, in their possesion, to make this portion of the hypsometrical records 

 of Pennsylvania as complete and useful as possible. [J. P. L.] 



LXX. Sclmylkill Canal. 



The elevations on the Schuylkill Canal, were copied from a list furnished by 

 Mr. James F. Smith, Chief Engineer, Reading, Penna. 



The datum is mid tide, Philadelphia. The levels are deduced from a survey 

 made in 1840. 



