Providence River (Head of Narragansett Bay) 13224. This Framed Nautical Map covers the waters and coast line of Providence River (Head of Narragansett Bay) including the Seekonk River from Cold Spring Point to Pawtucket. The Framed Nautical Chart is the official NOAA Nautical Chart detailing the beautiful waters of the Providence River and Head of Narragansett Bay; including Greenwich Bay, Prudence island, Providence, East Providence, and other towns and harbors..Product Details: NOAA Nautical Chart 13224. Standard Frame is 17" H. x 24" W. Poster frame is 25 3/4‚ H x 36" W. Solid Hardwood Frame, Glass Front, Black Matte, Paper Duster Backing with Wire Hanging, Handmade in USA