California Underground

Discover the hidden wonders of California with California Underground by Jon Kramer, published by Adventure Publications in 2018. This comprehensive guidebook spans 220 pages and takes you on an exciting journey through the state's most fascinating caves, mines, and lava tubes. Whether you're an avid adventurer or simply curious about California's underground treasures, this book is your ultimate resource. Dive into the rich history and geological marvels that lie beneath the surface, and prepare for unforgettable explorations. Perfect for outdoor enthusiasts and nature lovers alike, California Underground is a must-have for anyone looking to uncover the secrets of California's subterranean world.