Large, detailed chart that shows the location of hundreds of lead deposits and workings with red over-printing on the black and white map. Some of the diggings have unusual names: Buzzard's Roost, Smuggler's Ridge, Dry Bone, Piggs Patch, and many more. The map includes town plans for Galena, Dunleith and Dubuque, and delineates the route of the Illinois Central, Dubuque and Pacific railroads, plus an unnamed track that runs between Galena and Scales Mound. It names the villages of Scales Mound, Council Hill, Fairplay, White Oak Springs, Benton and Julien. This seldom seen map is printed on two sheets, joined as issued.

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Condition: B

Issued folding, now pressed and backed with archival tissue. One area along a fold that has lifted from tissue backing, toned along folds.