The sheet includes 5 inset maps and charts
" this is the earliest National Geographic map of "The Land Down Under
Williamsburg
and much of New Mexico
Extensive depth soundings
Preliminary Chart of Portsmouth Harbor New Hampshire Pacific States The sheet includes 5 insetChart of Portsmouth Harbor, New Hampshire, and Maine. Shows great inland detail of farmland, roads, vegetation, buildings, towns, settlements, etc. Depth soundings, shoals, bottom conditions, lighthouses, aids, and hazards to navigation are shown for the harbor and approaches. Extensive details of various bays, islands, rocks, inlets, rivers, creeks, and ponds. Sailing directions, dangers, notes, and tidal information are also given. IMPORTANT NOTE: