Paul B. Downing
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Books by Paul B. Downing
Opal Cutting Made Easy (Jewelry Crafts)
Out of Stock
Opal Identification and Value
$9.99
Opal: Advanced Cutting & Setting (Jewelry Crafts)
Out of Stock
Opal Identification & Value (Rocks, Minerals and Gemstones)
$62.59
Opal Adventures (Rocks, Minerals and Gemstones)
$16.09
Air Pollution and the Social Sciences
Out of Stock
Environmental economics and policy
Out of Stock
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