Potomac River (in four sheets), Sheet No. 4 From Indian Head to Georgetown Boston A very nice detailed chart

A very nice detailed chart of Rockland Harbor and Vicinity Maine

The larger scale map shows Point Loma

Cape Disappointment

Eight engraved coastal elevation views of the North West Coast of America explored by Jean François Galaup de La Pérouse in his frigates the Boussole & Astrolabe in 1786

Bi-Polar oblique conic conformal projection at 1:5

Potomac River (in four sheets), Sheet No. 4 From Indian Head to Georgetown Boston A very nice detailed chartA 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.