Barber-Delach, Robert D.

About the author

Digital bedrock geologic map of the Ashland and northern part of the Ironwood 30' x 60' quadrangles, Wisconsin and Michigan

Geologic units and structural features, GIS data files

Digital geologic map and mineral deposits of the Lake Superior region- Minnesota, Wisconsin, Michigan

Bedrock geologic units, faults, and MRDS mineral deposit records for the area