An inset map in the upper left shows the entrance as it was in October of 1865
the present-day Shilshole Marina area
Coast and Geodetic Survey to the Secretary of Commerce and Labor
aids and hazards to navigation and terrestrial features (farmlands
The Classic National Geographic World map of 1941
Topographic Drawings by E. Hergesheimer, Assistant. Polar An inset map in theThese 1: 10,000 Scale drawings are reference and example drawings showing the proposed techniques and styles for what would become the standards of topographic mapping and cartography. Contour lines were still uncommon on maps of the day. Examples include: Heavy Oak Woods, Reclaimed Marsh and Orchards (Delaware River)Railroads, Canals, Iron Bridges, Rocky cliffs, Mid river drift, Water worn Rocks, Mixed Woods overhill curves (Harper's Ferry)Rice,