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Mining and Mineral Operations in the North-Central States. A VI itor Guide.
NTIS: PB 266 873 GPO Stock (024-004-01897-6) :120 pages
This publication is a guide to mining and mineral operations in the North-Central States (Illinois, Indiana, Iowa, Kansas, Michigan, Minnesota, Missouri, Nebraska, North Dakota, Ohio, South Dakota, and Wisconsin) that may be observed or visited and some other points of interest related to minerals. This guide is the fourth of six covering regions of the United States: New England and Mid-Atlantic States, South Atlantic States, North-Central States, South-Central States, Rocky Mountain States, and Pacific States.
NTIS Accession No.
NTIS: PB 266 873 GPO Stock No. 024-004-01897-6
IA; IN; KS; MI; MN; MO; ND; NE; OH; SD; WI;