Object Type: Folder
In Folder: Archives of Michigan Map Collection
Printed color map. There is gazetteer information on the map such as the names of mining companies and the location of salt well. There is a summation of geological information printed on the map as known in 1865.
Printed color map of Michigan showing the geology of the state as known in 1916. The scale on the original is 1 inch equals 12 miles.
Printed color map of Michigan showing the location of the coal basin as well as glacial formations as understood in 1906. The scale on the original is 1 inch equals 56 miles.
