Prepared and published by the National Imagery and Mapping Agency. Depths shown by isolines, soundings, and gradient tints. Relief shown by spot heights. "From French charts to 1995." "Copyright 1998 by the United States Government. No copyright claimed under Title 17 U.S.C." Ancillary maps: Cayenne -- Dégrad des Cannes. Both scale 1:10,000. "Soundings in meters." Includes source diagram. Map no.24355. This map is part of a collection of scanned and georeferenced nautical charts produced by the National Geospatial-Intelligence Agency (NGA). United States. National Imagery and Mapping Agency. (1998). South America, French Guiana, entrances to Rivière de Cayenne and Fleuve Mahury (Raster Image). LandInfo. Available at: https://purl.stanford.edu/vh958qm6743 This layer is presented in the WGS84 coordinate system for web display purposes. Downloadable data are provided in native coordinate system or projection.