BAIN.] HISTORY OF DEVF.LOPMENT. 13 souri operators, Messrs. Valle, Anson, and others, and in recent years with the ownership in h)cal and eastern hands. Shipments of fluorspar began apparently in the early seventies, and since 1880 ]iave been regularly reported. In 1891, when the district was visited by Mr. S. F. Emmons, large bodies of spar had been developed, though, as seems to have been usually true since the beginning of mining in this region, only one or two mines were actually shipping.
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