ALTITUDES. 



283 



B. Between Sawyer's river and 

 tributary of Hancock branch, 



B. Between Swift river and east 

 branch of the Pemigewasset, 



Heights 

 in feet. 



B. Mad River notch, near Greeley 

 3126 ponds, 



Heights 

 ill feet. 



181S 



2618 

 Note. The gaps between the principal White Mountains have been given at the close of the preceding chapter. 



For further heiglits on the Merrimack, Connecticut, and other rivers, see altitudes 

 along the boundaries of New Hampshire in the chapter on topography, and tables 

 given in description of river systems in a following chapter. 



10. Heights along Geological Sections. 

 Section I. From Lawrence, Mass., to South Vernon, Vt.,aIongthe Massachusetts line. 



