Coast Guard advises mariners to transit with extreme caution around Merrimack River entrance jettys

Coast Guard advises mariners to transit with extreme caution around Merrimack River entrance jettys
Construction platforms perform jetty repairs while anchored off the Merrimack River North Jetty in Salisbury, Mass., May, 21, 2015. The Merrimack River entrance north jetty is 3,100-feet-long and will be under repair for a year. (Coast Guard Photo by Steven Noyes) The Merrimack River North Jetty in Salisbury, Mass., and the South Jetty in Newburyport, Mass. are undergoing scheduled maintenance and...