A survey map of a northeastern portion of Wilson Township and the southern half of Maple Ridge Township in Alpena County, Michigan, measured in 1840 and 1855.
A survey map of the Northeastern corner of Trout Lake Township and a central portion of Kinross Township in Chippewa County, Michigan, measured between 1840 and 1934.
A survey map of the Northeastern corner of Brevort Township and the Northwestern corner of St. Ignace Township in Mackinac County, Michigan, measured between 1840 and 1940.
A survey map of a Northeastern portion of Rudyard Township and a central portion of Kinross Township in Chippewa County, Michigan, measured in 1840 and 1849.
A survey map of a Northeastern portion of Moran Township and a Northwestern portion of Brevort Township in Mackinac County, Michigan, measured in 1840 and 1845.