2010-02-152010-02-152004 Mar 2http://hdl.handle.net/1969.3/236701-1Reports that the U.S. Coast Guard Marine Safety Office Houston was notified that on March 19, 2004, the tanker Saint Helen and the tug David and Colleen collided near the intersection of the Intracoastal Waterway and the Houston Ship Channel. Number of gallons of the petroleum product naptha that spilled from David and Colleen; Agencies that responded to the accident; Likely cause of the collisionCOLLISIONS at seaHOUSTON (Tex.)HOUSTON Ship Channel (Tex.)INTRACOASTAL waterwaysNAPHTHATANKERSTEXASTUGBOATSUNITED StatesUNITED States.-- Coast Guard.-- Marine Safety OfficeWATERWAYSGEN