Born-Digital or AnalogAnalogTranscriptLost mines. Missouri Mystery of Lost Ozarks Silver. Frontier Times v.35 #3 Summer 1961 p.28-29, 42- Lost silver mine near Sugar Silver Cave. Frontier Times v.37 #3 Apr.-May 1963 p.16-17,42CollectionWestern History Subject IndexRelated MaterialWestern History Subject Index AbbreviationsType of MaterialIndex CardLanguageeng