TOPOGRAPHY. 1/7 



Horn pond, Acton, Me., (Wells) . 479 



North-east ponds, 499 



Highway crossing by Saco river, 45 l 



Grand Trunk Railway, . 7 1 3 



Umbagog lake, I2 5 6 



Mt. Carmel, 37&quot; 



Crown Monument, ........... 2568 



Near Magalloway pond, 2812 



North-west head of Magalloway river, 2917 



Gap near Lake Sophy, . . . 2146 



Mt. Prospect, 2629 



Hall s Stream bridge, Vermont line, 1098 



Bridge, West Stewartstown, 1054 



Railroad bridge, North Stratford, 915 



Top of Fifteen-miles falls, at crossing of P. & O. Railroad, Dalton, low to 



high water - 832-836 



Connecticut river, just below Lower Waterford bridge, high water, 643 



&quot; at foot of Mclndoe s falls, 43 2 



&quot; &quot;at Wells River, low water, .... 407 



&quot; &quot; at Hanover, 375 



&quot; &quot; at White River Junction, low to high water, . . . 330-352 



&quot; &quot; at Windsor Railroad bridge, .... 304 



&quot; &quot; at Beaver Meadow, Charlestown, 289 



&quot; at foot of Bellows Falls, 234 



&quot; &quot; at head of Stebbins island, Hinsdale,. .... 206 



Descent from Connecticut lake to this point, ....... 1412 



State Line station, Cheshire Railroad, 898 



Merrimack river at state line, 91 



TOPOGRAPHICAL DISTRICTS. 



I. The Connecticut Valley. The limits assigned to this district differ 

 from the exact area drained by the waters of the hydrographic system of 

 the Connecticut. Owing to the presence of a prominent mountain ridge 

 six or seven miles back from the river, the proper valley lies in the 

 western part of the east side of the basin. This boundary corresponds, 

 also, with that of the distinctive agricultural and geological character of 

 the district. In general, it follows on the east line of the ridge of slaty 

 or quartzose hills from Winchester to Benton, and thence the eastern 

 line of the Connecticut basin to Carroll ; thence it continues down the 

 VOL. i. 25 



