The Development of the Hill Annex Mine
Earl Emmet Hunner
Gebundenes Buch

The Development of the Hill Annex Mine

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This historical account traces the development of the Hill Annex Mine, one of the largest and most profitable mines in Minnesota. It details the technological advancements and the social and economic factors that contributed to its success. This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it. This work is in the "public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright ...