88 J. D. Dana—The Flood of the Connecticut River Valley 
valley, or that which most correctly registers the highest 
flood level ; and next, take up the subject (4) of the dimensions, 
velocity and discharge of the flooded river, and (5) the bear- 
ing of the facts on the retreat of the glacier. 
1. General conditions of the flooded rivers and tributaries during 
the melting of the glacier. 
1. Like other river-floods—The view to which I have been 
led by the study of the phenomena of the Champlain period, 
or those of the melting glacier, is that a river-fluod then was In 
most points like a river-flood now. The valleys were, at the 
outset, deep valleys, and generally of greater depth than at 
resent; for many have thick deposits over the bottom that 
were left there by the flood. 
e waters of the Connecticut, as well as of other ieee 
= ees tes nee 
tes oot Ray) eds S a3 
