W. B. Dwight on a Subsidence of Land. 15 
rection, as shown from the fact, 1st, that the fracture is a sharp, 
perpendicular well defined line, and not the ragged, irregular 
sloping line usually seen where the soil has been simply drawn 
down a declivity ; 2nd, that immediately after the fracture, the 
thickest and heaviest portion did sink and forced the blue clay 
fore it, outward, and upward, at the lower levels; its own 
lateral motion being ver ; 
The following section will further illustrate the action : 
rn ceectemnniatsatdes Sey 
F ae 
he eastern fragment, in addition to sinking considerably, slid 
forty-two feet toward the creek; i d lat- 
The whole movement orm therefore to be best explained 
ae : ad 
Heaing fo right itself from a position of very unstable 
10Ti0 + f : a e 
Although many changes have since taken place. a i 3 a 
I appearance, much yet remains that is characterist 
onderful—enough to repay amply the trouble of a visit. 
ewoed, W.J., Nov. 1th, GR 
