The geologic story of Isle Royale National Park
By: by N. King Huber ; prepared in cooperation with the National Park Service.
Contributors: United States. National Park Service.
Series: Geological Survey bulletin ; 1309; Geological Survey bulletin ;; 1309.
Publisher: U.S. Dept. of the Interior, Geological Survey ; for sale by the Supt. of Docs., U.S. Govt. Print. Off.
Published: 1975
Place of publication: Washington
Language: eng
Number of pages: 66
Subjects: Geology -- Michigan -- Isle Royale National Park (Mich.) -- Guidebooks.
Notes: Bibliography: p. 64-66.