A survey map of the top western fifth of Grayling Township in Crawford County, Michigan. The township lines were measured in 1839; the subdivision lines were re-measured in 1852.
A survey map of the bottom half of Frederic Township in Crawford County, Michigan. The township lines were originally measured in 1839; the subdivision lines were re-surveyed in 1852.
A survey map of the bottom third of Lovells Township in Crawford County, Michigan. The meridian line, which served as the eastern township boundary, was measured in 1839 along with the other township boundaries. The subdivision lines were...
A survey map of the top eastern fifth of Grayling Township in Crawford County, Michigan. The township lines were measured in 1839; the subdivision lines were re-surveyed in 1852.