Grand Canyon eBay auctions you should keep an eye on:
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Hiking the Grand Canyon’s Geology (Hiking Geology)
The only guide to the Grand Canyon that combines hiking and geology—unlocking the mysteries of the landscape, step by step. · Newest addition to the popular Hiking Geology series
· Appendices cover additional geologic information for the non-geologist
· Everything needed to plan the trip, including permits, lodging and camping, mule rides, and recommended day trips Etched on the Grand Canyon’s steep walls are stories of how this majestic landscape came to be: volcanic isl
List Price: $ 16.95
Price: $ 10.49