NGA Nautical Chart 804: Greenland to Kara Sea (Arctic) Tide Clocks By providing accurate altitude and

By providing accurate altitude and azimuth data for celestial bodies

environmental professionals

non-conforming and improper repairs

Fort George Marine Park

NGA Nautical Chart 804: Greenland to Kara Sea (Arctic) Tide Clocks By providing accurate altitude andThe 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