Visual representations and manuscript material related to the Newgate Prison, a former copper mine located in present day East Granby, Connecticut.... Show moreVisual representations and manuscript material related to the Newgate Prison, a former copper mine located in present day East Granby, Connecticut. Mining began as early as 1705, and between 1776-1782 the structure and tunnels were used to house prisoners of war during the American Revolution. Today it is a historic house managed by the State of Connecticut. Show less