Views: 4,296 “Pluck-em-in” and Middlebrook AND America 250 – Perfect Together. Get to know this Great American History Story. During the winter of 1778–1779, the Middlebrook Encampment stretched across the Somerset Hills while, at Pluckemin, General Henry Knox established the famed Pluckemin Artillery Cantonment, where the Continental Army’s artillery was organized, trained, and transformed into … Continue reading Middlebrook / Pluckemin MLH Series: Tell America About These Rev War Jersey Destinations