This is an original 1880 color lithographed geological map (1879) showing the main features of the surface geology of northwestern Wisconsin.
This 134+ year old Item is rated Near Mint / Very Fine. No creases. No natural defects. No surface rub. No tears. No water damage.
Period Paper is pleased to offer a collection of chromolithograph images, wood engravings, and lithograph maps from 1880 covering the geology of the northern Wisconsin. In very good condition and suitable for framing, this collection will be of interest to geologists, historians and Wisconsonites.