ALTITUDES. 2/3 



HiUsborough Branch Contoocook Valley Railroad. 



Distances from He - hts ; n feeL 

 Concord. 



Contoocook, I2 miles - 373.38 



West Hopkinton, ^ &quot; 391.79 



Crossing of old N. H. Central Railroad, Henniker, . , 426.29 



Henniker, 20 &quot; 439.32 



Paper-mill pond, water, ....... 432. 02 



Foot of Long fall, Contoocook river, . . . 433.82 



Head of Long fall, 10,000 feet distant, .... 546.91 



HiUsborough Bridge station, 27 &quot; 574.03 



Heights in Boscawcn and Salisbury. Furnished from surveys for 

 Blackwater River Railroad, by R. S. Howe, engineer. 



Heights in feet. 



Dingetfs Corners, 479. 9O 



Blackwater river at crossing, f mile above this place, .... 442.96 



Clark s island, 5O8.80 



Blackwater river, f mile above Clark s island 526.67 



Webster village, 555.00 



Salisbury, south line of township, 568.72 



South Salisbury, road 563.2 



Salisbury Centre, road, 592. 5O 



North Salisbury, island in river, 6O2.2O 



The &quot; Bay 1 at this place, 598. 9O 



Fourth N. H. Turnpike, near J. G. White s, Andover, .... 632. OO 



South-west corner of the town of Salisbury, 899.23 



Heights on Kcarsarge Mountain. Furnished from carriage-road sur 

 vey, Warner, by R. S. Howe. 



Heights in 

 feet. 



U. S. Signal post, Kearsarge mountain, 2942.79 



Kearsarge int., &quot;Garden,&quot; 2622. 5O 



Plumbago point, southerly end of Mission ridge, .... 17O5.OO 



Lowest point between Kearsarge and Black mountain, . . . 2426.67 



Lowest point between Mission ridge and Black mountain, . . . 2252.55 



7. RAILROAD SURVEYS IN NORTHERN NEW HAMPSHIRE. 



Heights along Boston, Concord & Montreal Railroad, and Mt. Wash 

 ington BrancJi. 



The records of this road having been lost by fire, the altitudes published in Guyot s 

 Memoir on the &quot;Appalachian Mountain System,&quot; which were derived from the original 

 VOL. I. 37 



