Views: 1,964 The Millington Quarry property in the Millington section of Bernards Township is one of the largest former industrial sites in Somerset County and has been the focus of redevelopment discussions for more than a decade. Covering approximately 180 acres along Stonehouse Road, the site operated for many years as a trap rock quarry … Continue reading Meandering Basking Ridge’s Largest Lake – The Millington Quarry