The Economic Definition Of Ore : Cut-Off Grades In Theory And Practice / by Kenneth F. Lane - 1st.ed. - London : Mining Journal Books Limited , 1988 - x, 149 p.: graph, ill.; 22 cm

Includes bibliographical references ( p.: 146 - 149 )

ISBN: 0900117451 RM 85.65

Subjects--Topical Terms: --Earth Sciences of North America--Ore

Dewey Class. No.: 557.3 LAN