Books by Michigan. Geological Survey Division
Our rock riches
Our rock riches
Geological map index of Michig
Geological map index of Michigan, 1843-1962
Water investigation
Water investigation
Michigan's sand dunes
Michigan's sand dunes
An index of the geology of Mic
An index of the geology of Michigan, 1823-1955
Occassional papers for 1954 on
Occassional papers for 1954 on the geology of Michigan
Mineral industries of Michigan
Mineral industries of Michigan
Michigan's mineral industries
Michigan's mineral industries