Audubon Field Guide to North American Rocks and Minerals prospecting You will also find a

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

1889 and 1907

Seven-hundred ninety-four gorgeous color plates are cross referenced to detailed descriptions of field patterns and mineral locations throughout North America

The 1886 map is expanded onto 3 more detailed maps

Audubon Field Guide to North American Rocks and Minerals prospecting You will also find aSeven 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