Jackson, Wayne D. creator Christiansen, Grey. text bibliography dcu Washington U.S. G.P.O. 1993 monographic eng

print

vi, 68 p. ill., maps 27 cm. Wayne D. Jackson and Grey Christiansen. "Prepared as a cooperative effort among earth-science and mineral-resource agencies of Australia, Canada, the Federal Republic of Germany, the Republic of South Africa, the United Kingdom, and the United States of America." Includes bibliographical references (p. 66-68). Earths, Rare Strategic materials TN490.A2 J33 no. 930-n 1993 333.8/5494 I19.4/2:930N I19.4/2:930N 93035407 DLC 930820 20160527191950.0 192309