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Get the perfect guide to rocks and minerals of the Lake Superior region! The book features comprehensive entries for rocks and minerals found in Minnesota, Wisconsin and Michigan, from common rocks to rare finds. The easy-to-use format means you'll quickly find what you need to know and where to look, while the authors' photographs depict the detail needed for identification - no need to guess from line drawings. With this field guide in hand, identifying and collecting can be fun and informative.
