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totalt 2 träffar
Gems & Minerals of Arizona
häftad,
1988,
Engelska,
ISBN 9781558380974
"There's gold in them thar hills!" Along with silver, turquoise, copper, and tons (literally) of other minerals. This guidebook explains what you will find and where in Arizona you …
Travelers Guide to Tracking Dinosaurs
häftad,
1995,
Engelska,
ISBN 9781558381490
The Rocky Mountains and surrounding areas contain some of the biggest and best preserved dinosaur remains on earth. This book describes the types that have been found, where they …