Some workers claimed they found it after they exploded the rock.
No actual proof that it was imbedded. Now that we have ways to
test the thing, it's gone. The Dorchester Pot was a metal vase,
which was recovered in two pieces after an explosion used to
break up rock at Meeting House Hill, in Dorchester,
Massachusetts in 1852. According to text reprinted by Anonymous
(1852) from the "Boston Transcript", a local paper, in the June
5, 1852 Scientific American, the two pieces of the Dorchester
Pot were found, not in situ within local bedrock, but loose
among debris thrown out by the explosion. Apparently, it was
inferred from the locations of the two pieces of this pot among
the explosion debris that this pot had been blasted from solid
puddingstone (conglomerate), which is part of the Roxbury
conglomerate, from about 15 feet below the surface of Meeting
House Hill (Anonymous 1852). The bell-shaped vessel about was
described as being about 4.5 inches (11.5 cm) high, 6.5 inches
(16.5 cm) in diameter as the base an