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Dave Ulmer
Books by Dave Ulmer
Geocaching Handbook
The Guide for Family-Friendly, High-Tech Treasure Hunting
Foreword by Dave Ulmer
This book introduces the reader to the fast-growing outdoor sport of geocaching, which combines aspects of treasure hunting, high-tech navigation, and exploration.
New to this book:
--Updates to technology and use of social media.
--Full chapter on smartphone apps.
--Updates to p...
New to this book:
--Updates to technology and use of social media.
--Full chapter on smartphone apps.
--Updates to p...
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