General Knox and the Fort Ticonderoga Artillery
"Through this place passed
General Henry Knox
in the winter of
1775 - 1776
to deliver to
General George Washington
at Cambridge
the train of artillery
from Fort Ticonderoga used
to force the British Army
to evacuate Boston
erected by the Commonweath
of Massachusetts 1927"
Apparently there are several of these: https://en.wikipedia.org/wiki/Henry_Knox_Trail
(location approximate)
Submitted by @jsucich