TWO MAMMOTH BOULDERS. 
71 
more interest than a pebble, in fact, if one could know the en¬ 
tire histories of the two, it may be that the interest in the latter 
would be the keener. 
It is related of the Hon. B. F. Prescott, when he was Govern¬ 
or of New Hampshire, that some one expressed to him a regret 
that New Hampshire furnished no boulders of such large dimen¬ 
tions as had been discovered in other States. He, as if think¬ 
ing that the reputation of the State was at stake, immedi¬ 
ately instituted a search in the vicinity of Pawtuckaway moun¬ 
tain. His enthusiasm was soon rewarded by the discovery of 
several boulders of larger dimensions than any that had been 
described up to that time. Hitchcock, in his “ Geology of New 
Hampshire,” locates and describes between twenty and thirty 
large boulders, most of them in New Hampshire, varying in 
size from 26,000 to 75,000 cubic feet, but nowhere mentions the 
one in Londonderry (Fig. 1) nor the one in Dunbarton (Fig. 2). 
figure 2 . 
We have mentioned one as located in Londonderry, while in 
reality it lies on the boundary line between that town and Man¬ 
chester. It is about six miles from the City Hall on the Derry 
road and lies in a swamp about 200 yards from the highway. 
It is surrounded by a small timber growth, just enough to hide 
