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Jim Magnuson的作品

Cover for Jim Magnuson · Agate Hunting Made Easy: How to Really Find Lake Superior Agates (Paperback Book) [2 Revised edition] (2026)

2 Revised edition

Agate Hunting Made Easy: How to ... (2026)

2026年5月21日版本

Cover for Jim Magnuson · Keokuk Geode: Easily Identify and Collect Iowa's World-Famous Geodes (Spiral Book) (2026)

Keokuk Geode: Easily Identify an... (2026)

2026年5月21日版本

Cover for Jim Magnuson · Michigan's Copper Country Rocks & Minerals: Easily Identify 38 Collectible Finds, Including Copper and Agates (Spiral Book) (2026)

Michigan's Copper Country Rocks ... (2026)

2026年5月21日版本

Cover for Jim Magnuson · From Rough Stones to Wow: Turn Your Rocks & Minerals into Beautiful Gems (Paperback Book) [2 Revised edition] (2025)

2 Revised edition

From Rough Stones to Wow: Turn Y... (2025)

Cover for Jim Magnuson · Rockhounding & Prospecting: Upper Midwest: How to Find Gold, Copper, Agates, Thomsonite & Other Favorites (Paperback Book) (2021)

Rockhounding & Prospecting: Uppe... (2021)