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Detailed map of Wisconsin, colored by counties and showing townships, roads, railroads, towns, etc.

In the south, all the the townships are named.

O.W. Gray Biography

O. W. Gray was a publishing firm based in Philadelphia. Later, they published as O. W. Gray & Son. They published atlases in the late nineteenth century. Gray's National Atlas was one of the most successful commercial ventures of the 1870s and one of the last to employ hand coloring on maps.