Metaline District geologic map, where Cmg, Cmd, and Cmb denote the Middle Cambrian Metaline Limestone, while Cmc and Cms denoted where it has been hydrothermally altered. Ql denotes lake, Qg glaciofluvial, and Qal alluvium, of Quaternary in age.
Uploaded a work by McClelland Griffith Dings and Donald Harvey Whitebread from Geology and ore deposits of the Metaline zinc-lead district, Pend Oreille County, Washington, USGS Professional Paper 489, https://pubs.er.usgs.gov/publication/pp489 with UploadWizard
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