The shrimp boat, Jana Lin, sits underwater off the South Galveston Jetty after it was grounded March 6, 2016. U.S. Coast Guard photo by Petty Officer 3rd Class Jennifer Nease HOUSTON — Coast Guard crews and local agencies continue efforts to remove the, which is partially submerged on the South Galveston Jetty. The boat, containing 2,500 gallons of marine diesel, reportedly shows no signs of pollution. A...