The Mountain shear zone, northeastern Wisconsin-- a discrete ductile deformation zone within the Early Proterozoic Penokean Orogen / by P.K. Sims, J.S. Klasner, and Z.E. Peterman (U.S. Geological Survey bulletin ; 1904) (U.S. Geological Survey bulletin. Contributions to Precambrian geology of Lake Superior region)
The Mountain shear zone, northeastern Wisconsin-- a discrete ductile deformation zone within the Early Proterozoic Penokean Orogen / by P.K. Sims, J.S. Klasner, and Z.E. Peterman
(U.S. Geological Survey bulletin ; 1904) (U.S. Geological Survey bulletin. Contributions to Precambrian geology of Lake Superior region)