Potomac River (in four sheets), Sheet No. 3 From Lower Cedar Point to Indian Head Elevation Views and the main map contains

and the main map contains historical facts as well as information about archaeological finds

Survey extents include up the Delaware River to Philadelphia and Trenton

Fossil Point

and Greenland shows North America's northernmost reaches

Potomac River (in four sheets), Sheet No. 3 From Lower Cedar Point to Indian Head Elevation Views and the main map containsA striking nautical chart showing the section of the Potomac River from Lower Cedar Point to Indian Head. This is sheet 3 of a 4 sheet set of the Potomac River. The chart shows bathymetry, aids and hazards to navigation, points, inlents, rivers, islands, terrestrial vegetation, farmlands, places, bays and harbors, and bearings. Also shown are information on soundings, bottom types, light houses, light vessels, tides, and sailing directions. IMPORTANT