ALTITUDES. 2/ 



Heights in feet. 



Kingston road, a little above D. Merrill s, 51 



Hampton Falls river, below Weare s mill, . . . . . . 41 



Hampton Falls river, above Weare s mill, 63 



Evans s mill-pond, .......... 50 



Eastern Railroad, a little below Salisbury depot, 28 



Heights along Nashua & Rochester Railroad. Furnished by C. O. 

 Davis, engineer, from profile of the road, which shows agreement with 



previously determined altitudes at Nashua, Epping, and Rochester. 



Rivers and ponds are given at their actual height at the time of survey. 

 Distances are from the junction with the Worcester & Nashua Railroad 

 at Nashua. 



Distances in Heights in feet . 



Merrimack river, low to high water, ..... .6 91-115 



Bridge over Merrimack river, 126 



Crossing near Dr. Smith s, Hudson Centre, .... 2.6 2O3 



Hudson summit, near Mr. Clement s, ..... 3.8 262 



Beaver brook (water), line between Hudson and Windham, 5.3 172 



Windham summit, 9.8 345 



Windham station, crossing M. & L. R., .... 10.3 324 



Hampstead station, 16.5 258 



Exeter river, outlet of Phillips pond, Sandown, . . . 18.4 215 



Exeter river, second crossing, Sandown, .... 20.6 1 76 



Exeter river, third crossing, Danville, 21.6 175 



Exeter river, fourth crossing, below Scribner s mills, Fremont, 23.4 135 



Spruce swamp, ......... 25 161 



Epping crossing, C. & P. R., 28.2 154 



Pawtuckaway river, 28.6 103 



North river, Epping, 32 95 



Little river, Lee, ......... 34.9 118 



Wheelwright s pond, Lee, 36.4 131 



Crossing, Concord & Portsmouth turnpike, .... 37.4 153 



Newton plain, Lee, 38 198 



Bellamy river, ......... 39.7 148 



Winkley s pond, Barrington, 40.4 167 



Malagar river, 41.1 154 



Summit, at Barrington station, 41.9 207 



Isinglass river, ......... 44.9 158 



Gonic summit, 46.6 201 



Cochecho river, 46.9 173 



Rochester, 48.3 226 



