Marquesas - Dry Tortugas Fish/Dive chart

Coverage from Sand Key and he Northwest Channel (west of Key West) west to Rebecca Shoal on the east side. Offshore inset on west side shows passage from Rebecca to the Tortugas.Detailed coverage of the Dry Tortugas on west side with blow up of Tortugas Harbor and Fort Jefferson. Loran TD Lines added to West Side. 187 Plotted and Indexed GPS Positions for Reefs and Wrecks, Lights, Fishing and Diving Sites. Added color highlights shallow areas and enhanced contour line defines 60' curves. Information from 3 NOAA Charts; 11439, 1438, 11434. GPS Datum