Chart US303B offers detailed bathymetric coverage of offshore canyons from Vernon Basin to Alaminos Canyon including DeSoto Canyon, Mississippi Canyon and Green Canyon. Also includes general coverage from Sanibel Island, FL along the Gulf of Mexico to the US/Mexico border including Galveston and Vermilion Bays. This is a fishing chart and should be used as a supplement to detailed BlueChart cartography.
Compatible with: GPSMAPs 292, 298, 376C, 378, 392, 398, 478, 492, 498, 2106, 2110, 2206, 2210, 3005C, 3006C, 3010C, 3205, 3206 and 3210
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