Hydrographic Chart
Navigation
Charts which show sections of the navigable waters of the earth, and which describe the rocks, shoals, tides, currents, soundings, etc., to be met with in navigation, suggestions for making passages, etc.
Charts which show sections of the navigable waters of the earth, and which describe the rocks, shoals, tides, currents, soundings, etc., to be met with in navigation, suggestions for making passages, etc.