Pre-Cambrian rocks of the Lake Superior region
Subtitle: a review of newly discovered geologic features with a revised geologic map
By: by C.K. Leith, Richard J. Lund, and Andrew Leith.
Contributors: Lund, Richard J.; Leith, Andrew.; Geological Survey (U.S.)
Series: U.S. Geological Survey professional paper -- 184
Publisher: U.S. Government Printing Office
Published: 1935
Place of publication: Washington, DC
Language: eng
Number of pages: 34
Notes: Also available in microfiches kept on 2d floor of library.

Bibliogr.

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