This is a fascinating  1839 map of the distribution of plants according to elevation in the Americas.  Includes the heights of various mountains around the world and reference to both terrestrial and subterranean plants.  A fascinating and beautiful chart.  Drawn and engraved by George Aikman.
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1839<div style="display: none;">date QS:P571,+1839-00-00T00:00:00Z/9</div>
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