Limited number of 36" x 24" bathymetry maps showing the east & west approaches to Block Island. The bathymetry data are colored and hill shaded to emphasize subsea topography features.($100.00 includes S & H. Makes a wonderful wall poster for the nautical person in your life. The picture is specifically for framing. Running a special during the summer of 2020. ($60.00)
This makes a perfect gift for people who love Rhode Island Waters.