Chemical Data Guide for Bulk Shipment by Water, 7th ed.Chemical data guide for bulk shipment by water.
[Washington] : U.S. Dept. of Transportation, U.S. Coast Guard : [For sale by the Supt. of Docs., U.S.G.P.O.], 1990
Document, Government publication, National government publication, Internet resource
The boatman's manual, a complete manual of boat handling, operation, maintenance, and seamanship by 
