You Can Soon Buy Historical Map Engravings From The U.S. Government
From the 1880s to the 1950s, the U.S. Geological Survey (USGS) published maps depicting transportation routes, cultural borders, topography, hydrography and geologic cross sections. And the stunning handmade engravings used to create these maps will be put on sale for the general public this summer. The engravings, mostly made from a copper alloy or zinc,…