  1997 - An Introduction to Economic Geology and Its Environmental Impact (Paperback) ISBN-13: 9780865428768 ISBN-10: 086542876X Genres: Business & Money, Science & Math, Engineering & Transportation, Outdoors & Nature ?  1993 - Ore Geology and Industrial Minerals an Introduction [Geoscience Texts] (Paperback) ISBN-13: 9780632029532 ISBN-10: 0632029536 Genres: Business & Money, Science & Math, Engineering & Transportation ?   1987 - Introduction to Ore Geology (Hardcover) → Paperback ISBN-13: 9780632016549 ISBN-10: 063201654X ?   An Introduction to Ore Geology [Geoscience Texts] (Paperback) ISBN-13: 9780632016556 ISBN-10: 0632016558 ? |
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