Sims, P. K.  1918-. <br/><br/>
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. 
 - Denver :  U. S. Geological Survey,  1990. 
 - 1 v. (various paging) :  ill. ;  28 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Rock deformations--Mountain Region.--Wisconsin<br/>Geology, structural--Mountain Region.--Wisconsin<br/>Geology, Stratigraphic--Proterozoic.