Old Geology Map of the USA and Canada by Rogers & Johnston, 1856 - Geological Chart of America johann baptist homann There are only a few

There are only a few copies of this map in existence

monochrome and wonderful map shows the ancient county shows the ancient county of Shropshire in 1611

postcode or landmark

it was just starting to crumble

Old Geology Map of the USA and Canada by Rogers & Johnston, 1856 - Geological Chart of America johann baptist homann There are only a fewThis beautiful, old and interesting chart is one of the first geological maps of the USA and Canada (aka British North America), based on actual geological surveys by Professor Henry Darwin Rogers and published by AK Johnston in 1856. Parts of north Mexico can also be seen. There's a huge amount of detail on this map most of the USA's rivers are shown, as are every city and some smaller towns as well. Across the bottom of the map is a cross section of