258 PHYSICAL GEOGRAPHY. 



Distances Heights in 



in miles. feet. 



Summit in Candia on railroad after construction to Manchester, 465. 



Auburn depot, 33 289. 



Massabesic pond, 36 256. 



Summit between Massabesic and Merrimack river at J. P. Eaton's, 344. 



By another Route. 



Bean's island, Candia, . . 275. 



Lamprey river, Candia Village, 30 1 . 



Highway in Candia Village, 31O. 



Summit towards Allenstown, 550. 



A Survey through Deerfield. 



Quincy pond, Nottingham 288. 



Summit between Quincy pond and Lamprey river, .... 4O6. 



Summit 576. 



Suncook river, Buck street, 259. 



Suncook Village, 281. 



Beyond Manchester the results of different surveys have been con- 

 nected to obtain the height of Concord, as follows : 



Heights in feet. 



Martin's Ferry, 198.92 



Hooksett bridge,* , 2O5.397 



Carter's bridge, Concord (J. A. Weston) 245.397 



Concord, centre of depot, 59 miles from Portsmouth (Railroad survey), 252.397 



Heights along Northern Railroad. From original surveys, by A. M. 

 Shaw, engineer. 



Distances from Heights in 



Concord. feet. 



* Derived from Hobbs's levelling from Amoskeag base line to foundation of north abutment, 180.197 feet. Rail 

 is twenty-five feet higher by tape-line measurement. 



