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Reproduction of a geological map of Montmorency County, Michigan in 1931. The scale on the original is 1 inch equals 1 mile.
Hand colored and hand annotated blue line copy of a road map of Gladwin County, Michigan. The hand additions are showing the glacial geology of the county as understood about the year 1940. The scale on the original is .75 inches equals 1 mile.
Hand colored blue line copy map showing the locations of oil wells in Ogemaw County, Michigan about the year 1945. The scale on the original is 1 inch equals 1 mile.
Reproduction of a geological map showing the rock and soil types in Kalkaska County, Michigan as understood in 1927. The scale on the original is 1 inch 1 mile.
Hand stenciled road map of Manistee County that has been hand colored to show the glacial soils for the county as understood about the year 1945. The scale on the original is 1 inch equals 1 mile and .75 inches equals 1 mile for page 2
Reproduction of a geological map of Charlevoix County, Michigan in 1922. The scale on the original is .75 inches equals 1 mile.
Hand colored map showing glacial geology as understood about the year 1940, using a blue line copy of a Baraga County, Michigan road map as a base. The scale on the original is .75 inches equals 1 mile.
Reproduction of a map of Cheboygan County, Michigan that has been hand colored to show the glacial soils as known about the year 1930. The scale on the original is .75 inches equals 1 mile.
Blue line copy of a base map of Arenac County, Michigan that has been hand colored to show glacial geology of the county as understood in 1942. The scale on the original is 1 inch equals 1 mile.
Reproduction of a map showing the glacial deposits in Menominee County as known in 1925. The scale on the original is 1 inch equals .75 miles.
Printed map showing the glacial soil deposits in Huron County, Michigan as known in 1897. Scale on original is 1 inch equals 2 miles.
Hand colored maps onto a reproduction of a base map of Baraga County, Michigan. The coloring denotes rock types as understood about the year 1930. The scale on the original is 1 inch equals 2 miles.
Reproduction of a map of Iron County showing the glacial geology as understood in 1930. The scale on the original is 1 inch equals 1.5 miles.
Printed map with hand annotations showing the land formations that were created in the lower peninsula of Michigan during the Pleistocene era as understood in 1898. Scale on original is 1 inch equals 35 miles.
Reproduction of a map showing the glacial geology of Luce County, Michigan as understood in 1929. The scale on the original is 1 inch equals 1 mile.
Blue line copy of a road map of Houghton County, Michigan for the year 1923 that has been hand colored to show glacial soils as understood about the year 1945. The scale on the original is 1 inch equals 1 and one half mile.
Blue line copy of a hand stenciled map showing the glacial contour lines of the Northville-Dearborn region in Wayne and Oakland Counties, Michigan about the year 1935. This map has been hand annotated to show potential natural gas formations. The scale on the original is 1 inch equals 1 mile.
Hand colored blue line copy of Oceana County, Michigan showing the glacial soil types for the county as understood about the year 1945. The scale on the original is one half of an inch equals 1 mile.
Hand stenciled road map of Manistee County that has been hand colored to show the glacial soils for the county as understood about the year 1945. The scale on the original is 1 inch equals 1 mile and .75 inches equals 1 mile for page 2
Hand stenciled map of Wayne County, Michigan showing the glacial geology of the county as understood in the year 1967. The scale on the original is 1 inch equals 1 mile.
Hand stenciled road map of Manistee County that has been hand colored to show the glacial soils for the county as understood about the year 1945. The scale on the original is 1 inch equals 1 mile and .75 inches equals 1 mile for page 2
Reproduction of a map of Iron County showing the glacial geology as understood in 1930. The scale on the original is 1 inch equals 1.5 miles.
Printed geological map of the lower peninsula of Michigan as understood in 1931. The scale on the original is 1 inch equals 18 miles.
Hand colored map showing glacial geology, as understood about the year 1940, using a blue line copy of a Clare County, Michigan road map as a base. The scale on the original is .75 inches equals 1 mile.
Reproduction of a geological map showing the rock and soil types in Crawford County, Michigan as understood in 1927. The scale on the original is 1 inch 1 mile.
