Lesley.] 



112 



[Jan. 15, 



CLI. Delaware River Levels. 



Note.— The following levels of ordinary low water in Delaware River above 

 mean tide at rhiUulcliihia (= 3.349 above mean ocean level) were obtained in tlie 

 office of the IMiiladclphia and Trenton II. II. at Trenton, from Mr. F. B. Fid- 

 dler, C. E., deduced from the original grade tables by Mr. S. H. Kneass. 



PLACES. 



Trenton 



Washintrton's Crossing 



Prime Hope Saw Mills 



Laml)ertville 



Bull's Island 



Head of Bull's Island 



Wurford's Rock 



Frenchtown .... , 



1.7 miles above " (a) 



Milford 



4 miles above " {b) 



Holland 



1^ miles below Reigclsville ■ 



Reigelsville 



f mile above " 



1.6 mile above " 



Carpenterville 



2^ miles below Pliillipsburg (c) , 



Phillipsburg , 



If mile above " , 



2.7 miles above " 



7. 6 miles above " 



2.84 miles above Martin's Cr. (d) , . 



4.14 miles above " 



Bel videre 



Manunka Chunk 



Walker's Ferry at Delaware Water Gap 



CLII. Delaware Canal. 



Elevations on the Delaware Canal were copied from a map made under the 

 direction of the Lehigh Coal and Navigation Company, in 1S26, by Isaac A. 

 Cliapman. The map is in possession of Mr. George Kuddlc, Mauch Chunk. 



The datum is low tide Delaware River, 3.3-19 above Ocean Level. 



o Huntingdon County, N. J., 31.7 miles above Trenton. 



6 " " " not the Milford of Pike County, Pa. 



c Opposite Easton, in New .Jersey. 



d Above Easton, in Pennsylvania. 



