Robert Dudley was the first Englishman to produce a sea atlas
Shelter Cove shows and indian village and some topographic features
Large folding map of Canada Alaska & Greenland
The chart shows a great deal of bathymetric data (soundings)
James Island
Preliminary Surveys of Harbors on the Western Coast of The United States, Santa Cruz Harbor and Vicinity and Point Año Nuevo Anchorage Southern United States Robert Dudley was the firstDetailed chart of Santa Cruz Harbor and Vicinity and Point Ao Nuevo Anchorage. The Santa Cruz Harbor chart shows the town, Mission, San Lorenzo River, Point Santa Cruz, roads, buildings, properties farms, vegetation, and topographical features (hachures), etc. Point Ao Nuevo Anchorage shows the bay, Point Ao Nuevo, rocks, and numerous depth soundings, along with great inland topographical detail. A sub sketch of the relative positions of the harbors