NGA Nautical Chart 24020: Baia do Oiapoque to Rio Parnaiba Media:Paper Don't leave your safety to

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NGA Nautical Chart 24020: Baia do Oiapoque to Rio Parnaiba Media:Paper Don't leave your safety toThe chart you are viewing is a NGA standard nautical chart. The National Geospatial Intelligence Agency (NGA) has partnered with OceanGrafix to provide commercial and recreational mariners with a good source of nautical chart coverage for international waters. These charts are "printed on demand" but do not contain the latest notice to mariner (NTM) corrections. It is the mariner's responsibility that the necessary chart corrections be applied to