Reconnaissance of Coffin's Patches, Florida Reefs Egypt Eight engraved coastal elevation views

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

I nice overview chart showing the triangulations

Nicely detailed atlas map pages showing streets

the map reflects the explorations of George Vancouver

Raritan Bay and Staten Island

Reconnaissance of Coffin's Patches, Florida Reefs Egypt Eight engraved coastal elevation viewsChart showing some depth soundings at the Coffin's Patches, Florida reefs. IMPORTANT NOTE: All of our United States Coast Survey (USCS), United States Coast & Geodetic Survey (USC&GS), and similar maps and charts have been professionally unfolded and flattened using humidity baths, semi permeable membrane, and drying blotter techniques. Most others you typically see on eBay have not been, and worse, are quickly and crudely unfolded for the low quality