United States, Michigan, Hillsdale, Jonesville area, probably
41.9825 -84.6622
sheet - 1
First Geological Survey of Michigan, 1837–1840, Douglass Houghton, State Geologist; Abram Sager, Botanist and Zoologist, 1837; John Wright, State Botanist, 1838, assisted by George H. Bull [the pencil label appears to be contemporary] [The 1837 Survey Party collected in Hillsdale County July 12-25; Coordinates at Jct. US-12 & M-99 at Jonesville]