Guide to the caves of Minnesota
By: [by] R. K. Hogberg and T. N. Bayer.
Contributors: Bayer, T. N., joint author.
Series: Minnesota. Geological Survey. Educational series,; 4; Educational series (Saint Paul, Minn.) ;; 4.
Publisher: University of Minnesota, Minnesota Geological Survey
Published: 1967
Place of publication: [Minneapolis
Language: eng
Number of pages: 61
Subjects: Caves -- Minnesota -- Guidebooks.