Lake Hopatcong
…River. The glacier left behind two ponds, nearly 2 miles (3.2 km) apart. In the early 1700s, the Great Pond stretched between Henderson Bay and today's Hopatcong State Park. Little Pond was a small body of water to the south of Woodport. The two lakes were first dammed in 1750. By 1831, Lake Hopatcong had been flooded to…