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This is an original 1880 black and white wood engraved map by Roland Duer Irving in 1877 showing the position of rock exposures at the Gorge of Tyler's Fork (Tyler Forks) in Ashland County, Wisconsin.
This 134+ year old Item is rated Near Mint / Very Fine. No creases. No natural defects. 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.