Audubon Field Guide to North American Rocks and Minerals prospecting Studying the changes over the

Studying the changes over the last 100 years just might help point you to your next big find

ISBN 0-935182-99-3

You will also find a number of pictures to give you an insight into what life was like in these historic towns

From the back of the book:

Each listing gives a detailed description of the site

Audubon Field Guide to North American Rocks and Minerals prospecting Studying the changes over theSeven hundred ninety four gorgeous color plates are cross referenced to detailed descriptions of field patterns and mineral locations throughout North America. The Audubon Field Guide to North American Rocks and Minerals is a comprehensive reference to rocks, gems and minerals found throughout N. America. The waterproof plastic cover helps ensure years of use at home and in the field. 850 pages. ISBN 0 394 5026 8