Pre-Cambrian rocks of the Lake Superior region: a review of newly discovered geologic features with a revised geologic map.  by C.K. Leith, Richard J. Lund and Andrew Leith
Contributors: Lund, R.J.; Leith, A.
Publisher: Dept. of the Interior
Place of publication: Washington
Language: eng
Number of pages: 34
Subjects: Geology - Lake Superior region
Notes: 11