Pollock Rip Shoal
The channel at Pollock Rip Shoals is centered about three miles (4.8 km) east of the southerly end of Monomoy Island in Chatham, Massachusetts.[1] The channel, which runs east–west, is about eight miles (13 km) south of the Chatham Lighthouse.[1] Vessels passing around the Cape Cod coastline use the channel as a passage from the Atlantic Ocean to Nantucket Sound.[1] The Pollock Rip Lightship marked the eastern approach to the channel from 1849 to 1969; it has since been replaced by a lighted buoy. The Stonehorse Lightship had previously identified the southeasterly end of the channel until October 1963, when it was removed by the U.S. Coast Guard and replaced with a small buoy.[1] The channel extends six miles (9.7 km) through the shoals and is 30 feet (9.1 m) deep and 2,000 feet (610 m) wide. It was completed in 1925.[1]
References
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