xiii, 197 leaves : maps (2 color, 1 folded in pocket) diagrams, tables. ; 28 cm
OCLC
ocm01809713
"This study essentially represents the author's doctoral dissertation, as prepared for the Department of Geography of the University of Wisconsin."
One folded map in pocket.
"Originally submitted ... to the Graduate Faculty of the University of Wisconsin in partial fulfillment of the requirements for the degree of Doctor of Philosophy"--Foreword.