Pre-Cambrian rocks of the Lake Superior Region
Subtitle: a review of newly discovered geologic features, with a revised geologic map
By: C. K. Leith, Richard J. Lund and Andrew Leith.
Contributors: Lund, Richard Jacob, joint author.; Leith, Andrew, joint author.
Publisher: U.S. Govt. Print. Off.
Published: 1935
Place of publication: Washington
Language: eng
Number of pages: 34
Subjects: Geology, Stratigraphic -- Precambrian.; Geology -- Superior, Lake.
Notes: At head of title: United States Department of the Interior.
Bibliography: p. 26-31.