Seamless Shom nautical charts - West Africa - EAtHC is a product composed of digital images taken from Shom nautical charts, with no additions, legends or georeferencing information. At a given scale, it is possible to view only the maps with a scale that allows a correct display. The footprint of all the maps composing this product are shown. Unless exceptional circumstances apply, this product is updated on a monthly basis and the modified grid squares are re-published, replacing the previous versions. All corrections, publications and editions with an effect on the reference nautical charts are taken into consideration.

Seamless Shom nautical charts - West Africa is a product composed of digital images taken from Shom nautical charts, with no additions, legends or georeferencing information. At a given scale, it is possible to view only the maps with a scale that allows a correct display. The footprint of all the maps composing this product are shown. Unless exceptional circumstances apply, this product is updated on a monthly basis and the modified grid squares are re-published, replacing the previous versions. All corrections, publications and editions with an effect on the reference nautical charts are taken into consideration.

RasterMarine is a series of digital images taken from nautical charts, with no additions, legends or georeferencing information. The RasterMarine range is available at five sets of scales: - RasterMarine 20 1: 20,000 - RasterMarine 50 1: 50,000 - RasterMarine 150 1: 150,000 - RasterMarine 400 1: 400,000 - RasterMarine 1M 1: 1,000,000. Unless exceptional circumstances apply, the RasterMarine range is updated on a weekly basis and the modified grid squares are re-published, replacing the previous versions. All corrections, publications and editions with an effect on the reference nautical charts are taken into consideration. <br /> 04/09/2025 version <br />

The product "Sea bed sediment 1:50 000" contains 2D surface objects geo-referenced digital data describing the nature of the geological seabed (nature of the sediment, including rock type seabed).

The product "Sea bed sediment 1:50 000" contains 2D surface objects geo-referenced digital data describing the nature of the geological seabed (nature of the sediment, including rock type seabed).

Image numérique scannée non géoréférencée de la Bathymétrie 1973_01_04 Date de création : 1973 Support de l'original: Dimensions : 1058mm x 765mm

Image numérique scannée non géoréférencée de la Bathymétrie 1999_05_02 Date de création : 1996-1997 Support de l'original: Film polyester Dimensions : 744mm x 1038mm Description : B 50-2, rapport particulier n° 85 MOP/UHNC/NP du 10/03/1998.

Image numérique scannée non géoréférencée de la Bathymétrie 1974_04_01 Date de création : 1974 Support de l'original: Dimensions : 1050mm x 758mm

Image numérique scannée non géoréférencée de la Rédaction de sondes 1969_01_02bis Date de création : 1969 Support de l'original: Dimensions : 1116mm x 831mm

Image numérique scannée non géoréférencée de la Ecriture de sondes 015_3_44_2 Date de création : 1934 Support de l'original: Dimensions : 1138mm x 776mm