The Ore Deposits of the Ely Trough, Ely, Minnesota

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First published in 1969, Clarence Eugene Abbott's The Ore Deposits of the Ely Trough, Ely Minnesota remains an authoritative and detailed study of the geology and mineralogy of the region. With detailed case studies and careful observations of geological phenomena, Abbott's book is a classic of the field and remains an essential resource for geologists and earth scientists studying the mineralogy of the upper midwest.