Potomac River (in four sheets), Sheet No. 4 From Indian Head to Georgetown Ireland This is an interesting and

This is an interesting and unusual pieces

A very interesting overview map of Tierra Del Fuego and Straits of Magellan showing details of the passage and coastal areas

Port Chatham

Notes and Sailing Directions for approaching and anchoring in the bay

bathymetry

Potomac River (in four sheets), Sheet No. 4 From Indian Head to Georgetown Ireland This is an interesting andA very nice separately issued chart of Washington D. C., Georgetown, and a stretch of the Potomac River down to Indian Head. This is Sheet 4 only of a 4 sheet set. The chart shows nice detail of the major cities and immediate shores of the river. Aids and hazards to navigation, depth soundings in feet, tributaries, and other locations are given. Tidal, lighthouse information, and the Capitol Dome location are given in the chart's notes lower right.