Mine detail: Horner Mountain Mine

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Location: Shannon County, Missouri, United States, North America
Lat / long: 37.08947, -91.24873
dep_id: 10281264
mas_id: 292030010
Commodity type: metallic
Trace mineral: Manganese
Operation type: Surface
Development status: Past Producer
other_matl: Alunite, Barite, Braunite, Calcite, Feldspar, Fluorite, Hematite, Kaolinite, Psilomelane, Pyrolusite, Quartz, Sericite, Tremolite
work_type: Surface
Reporter: Lewis, J.D.
Year first produced: 1954
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