Glacial geology, drilling and surficial geology mapping in north-central Minnesota, scale 1:250,000. Map is missing. Superseded by Minnesota Geological Survey publication M-76.
Grew, P.C.; Meyer, G.N..
Quaternary mapping and stratigraphy, north-central Minnesota.
Minnesota Geological Survey.
Retrieved from the University of Minnesota Digital Conservancy,
Content distributed via the University of Minnesota's Digital
Conservancy may be subject to additional license and use
restrictions applied by the depositor.