TY - BOOK AU - Kesler,Stephen E. TI - Mineral resources, economics, and the environment SN - 0023628421 AV - TN145 KES U1 - 333.8/5 20 PY - 1994/// KW - Mines and mineral resources KW - Mineral industries KW - Environmental aspects N1 - Includes bibliographical references (p. 324-346) and index ER -