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CHAP. XVIII.
REMARKABLE TRAINS OF ERRATIC BLOCKS.
357
Fig. 50
MAP SHOWING THE RELATIVE POSITION AND DIRECTION OF SEVEN TRAINS OF ERRATIC BLOCKS IN BERKSHIRE, MASSACHUSETTS, AND IN PART OF THE STATE OF NEW YORK.
Distance in a straight line, between the mountain ranges a and c, about eight miles.
a Canaan range, in the State of New York. The crest consists of green chloritic rock.
b Richmond range, the western division of which consists in Merriman's Mount of the same green rock as a, but in a more schistose form, while the eastern division is composed of slaty limestone.
c The Lenox range, consisting in part of mica-schist, and in some districts of crystalline limestone.
d Knob in the range a, from which most of the train No. 6 is supposed to have been derived.
e Supposed starting point of the train No. 5 in the range a.
f Hiatus of 175 yards, or space without blocks.
g Sherman's House.
h Perry's Peak.
k Flat Rock.
l Merriman's Mount.
