48N 35W - Survey Map of Duncan Township, Houghton County, and Covington Township, Baraga County: Michigan
Description:
A survey map of the northeastern corner of Duncan Township in Houghton County and the northwestern corner of Covington Township in Baraga County, Michigan, measured in 1846 and 1853.
Creator:
Burt, William Austin, Burt, Austin, Burt, John, and Coleman, Francis