TERRACES. 



Ill 



TERRACES IN THE EIGHTH AND NINTH BASINS. 



The eighth basin, from Springfield to Mt. Ascutney, is about ten miles long. It commences lower 

 down on the east than on the west side of the river, because of the accumulations about Claremont, upon 

 the old bed. These are quite high and extensive, constituting the fifth terrace, and are mostly composed 

 of sand. Upon the banks of Sugar River the terraces are small and numerous, the river crossing the high 

 terraces of the Connecticut. To the north, the larger terraces ar.e gradually lost on the approach to the 

 northern limit of the basin in Cornish, N. H. Upon the west side of the Connecticut the terraces com- 

 mence near Weathersfield, on the great bend. The village of Weathersfield is situated upon the second 

 terrace. The terraces are finely developed as we go north, and Fig. 56 represents a section crossing them 



Fio. 66. 



Section of Terraces ou Conn. River near the north lines of Weathersfield, Vt. and 



Claremont, N. H. 



near the north town lines of Weathersfield and Claremont. As usual we find loam upon the lowest levels 

 and sand with some pebbles upon the higher terraces. The tops of the terraces are quite even till the 

 sixth is reached, which is undulating. The section extends four miles west of the river, and shows moraine 

 terraces more than half the distance, extending nearly to the top of the ridge separating the valleys of the 

 Connecticut and the tributaries of Black river. Underneath the moraine terraces we have represented the 

 unmodified drift, which was found upon the top of the ridge, and is supposed to underlie the modified and 

 water-worn materials. Upon the east side four terraces were observed whose heights were not obtained. 

 The measurements were taken with the Aneroid Barometer. The fifth terrace on the west side, though 

 quite narrow, extends into the ninth basin to the village of Windsor, where it is cut in two by a mill 

 stream, entering the village from the southwest on the stage road to Felchville and Cavendish. The 



union of the two currents has pro- 

 duced six terraces lower than No. 5 

 of Connecticut river, upon the north 

 end of the latter. Another small 

 stream empties into the Connecticut 

 just north of Windsor ; hence No. 5 

 has a large part of its materials 

 carried off, its western border alone 

 being left, which passes around the 

 village west, where its limit is reached 

 at the bottom of a still higher ter- 

 race, No. 6. The two streams have 

 left a tongue of terraces between 

 them, mostly No. 4, upon which the 



Section of Terraces on Conn. River, in Windsor. village of Windsor is built. The 



FIG. 57. 



