The economics of outdoor recreation in the Upper Midwest.
Contributors: Minnesota. University. Duluth Branch. Social Sciences Research Trust Fund
Publisher: Social Sciences Research Fund, University of Minnesota Duluth
Published: 1963
Place of publication: Duluth
Language: eng
Number of pages: 330
Subjects: Outdoor recreation -- Middle West
Notes: "Prepared for four organizations, each of which has contributed funds to the financing of special sections of the study."

Includes bibliographies.