A NEW feature of the Pilot Chart of the North Atlantic Ocean ... asks the office to communicate the length of the nautical mile as adopted by the United States. In order to guard against possible ...

By the middle of the nineteenth century the progress made by the early pioneers was such that Maury felt justified in utilising the results in the preparation of his pilot charts for mariners all ...

where official nautical map products, primarily designed for commercial shipping lanes, may lack detail. Available in off-the-shelf 1:20,000 scale and custom 1:4,000 scale, the TCarta Satellite ...