Rockhounding Wyoming: A Guide...
Kenneth L Graham
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Soil
Grace Hansen
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Rockhounding Oregon: A Guide...
Lars W. Johnson
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Dig and Discover Geodes
Nancy Dickmann
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Rock Walks: An Explorer's...
Russell Dunn
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Rocks, Minerals, and Geology...
Leslie Moclock,
Jacob Selander
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The Book of Stones: Who They...
Robert Simmons,
Naisha Ahsian
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Is Sand a Rock?
Ellen Lawrence
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The Crystal Guide:...
Patti Polk
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Upon a Clay Tablet, the...
Jason R Eaton
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The Secrets of Metals
Wilhelm Pelikan,
Charlotte Lebensart (Translator)
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Modern Rockhounding and...
Garret Romaine
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Rocks, Gems and Minerals: A...
Paul R Shaffer,
Herbert S Zim
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The Ultimate Guide to Sea...
Mary Beth Beuke (Photographer),
Lisl Armstrong (Foreword by)
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Rockhounding Montana: A Guide...
Montana Hodges
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Basher Science: Rocks and...
Dan Green
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A Pebble for Your Thoughts:...
Megan Murphy
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Lake Michigan Rock Picker's...
Bruce Mueller,
Kevin Gauthier
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The Big Rock
Bruce Hiscock
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Fossils
DK,
David Ward
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California Rocks!: A Guide to...
Katherine J Baylor
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Gemstone Tumbling, Cutting,...
Jim Magnuson,
Val Carver
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Agate Hunting on the Oregon...
M J Grover
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Gemstone and Mineral Data Book
John Sinkankas
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