USGIF lead concentrates coming from Galena mine - the demand will be more attractive because Silver valley lead concentrates are among the 'cleanest' in North america, ex. having comparatively very low levels of contaminates such as (arsenic wheras the Missouri lead concentrates are very 'dirty' having greater contamination and making it more difficult, if not impossible, for the smelter processing Missouri clead concentrates to comply with stringent environmental regulation re: lead contamination.)
Doe Run workers to be cut at end of December - (the last lead smelter in USA) -
The lead smelter in Herculaneum is shown in this 2001 file photo.
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