The monument is a boulder with a plaque that states:
"During the Revolutionary War, signal beacon #11 was located on Long Hill Road in the vicinity of John Cooper's windmill near this site and served to summon local militia in time of danger and invasion." [1]
Across the street from the Signal Beacon #11 monument is Sentinel Elms.
The sign reads:
"Sentinel Elms. Pre-Revolutionary center section of building was home of Cornelius Ludlow, colonel in Eastern Battalion of Morris County militia and later Morris County Judge." [2]
Sources:
1.^ Plaque placed by the Long Hill Township Historical Society 1999.
