Browse Items (258 total)

This layer shows the routes of various voyages that are plotted on this map. All of these routes are labelled, usually with who took them and the date of the trip. Two are common Russian routes, and I have also included the ports labelled on the…

A map drawn by the U.S. Coast Survey in 1907 showing San Francisco bay and the surrounding area. The map displays sounding depths for the bay area, topographic features, the city grid of San Francisco and surrounding settlements, and features…

USCGS map of Salt Lake City's air defense grid.