In this directory a mineral producer is defined as one who removed or mined mineral-bearing materials or substances other than water from their natural setting. Generally the producer processed the mineral raw materials into a form more suitable for marketing. The business addresses, locations of the sites of exploitation and locations of the associated plants are listed. The data in this report were obtained from many public and governmental sources. We welcome additional data, corrections and suggestions to improve succeeding numbers of this directory.
This Information Circular, the first of a new series, is published by the Minnesota Geological Survey to fulfill a part of its responsibility for providing information on the State's mineral resources.
Information Circular 1. Directory of Minnesota Mineral Producers 1962.
Minnesota Geological Survey.
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