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Language: en
Pages: 206
Pages: 206
Type: BOOK - Published: 2019-10 - Publisher:
This new and completely updated edition by co-authors Doris Green and Greg Brick, PhD, invites readers to consider a different angle for their next Minnesota tr
Language: en
Pages: 196
Pages: 196
Type: BOOK - Published: 2003 - Publisher: Big Earth Publishing
Explore more than 50 of Minnesota and South Dakota's fascinating caves, mines, sinks, and other underground oddities! This comprehensive guide covers Minnesota
Language: en
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Type: BOOK - Published: 2019-07 - Publisher:
Language: en
Pages: 247
Pages: 247
Type: BOOK - Published: - Publisher: U of Minnesota Press
In Subterranean Twin Cities, geologist, historian, and urban speleologist Greg Brick takes us on an adventurous, educational, and-thankfully-sanitary journey be
Language: en
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Type: BOOK - Published: 2003 - Publisher: