Name: Union Hill Quarry topographic map, elevation, terrain.
Location: Union Hill Quarry, New York State Thruway, Antrim, Suffern, Town of Ramapo, Rockland County, New York, 10982, United States of America (41.11795 -74.14555 41.12064 -74.14013)
Average elevation: 420 ft
Minimum elevation: 253 ft
Maximum elevation: 922 ft