Production data for the upper Mississippi Valley lead-zinc district
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Open-File Report↗
Geology topics
A.F. Agnew
Publications and source records attributed to A.F. Agnew.
Stratigraphy of Middle Ordovician rocks in the zinc-lead district of Wisconsin, Illinois, and Iowa
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Professional Paper↗
Zinc-lead-copper resources and general geology of the Upper Mississippi Valley district
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Bulletin↗
Index maps of the Wisconsin-Illinois-Iowa lead-zinc mining district
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Open-File Report↗
Zinc deposits of the Meekers Grove (Jenkinsville) area of the Wisconsin zinc-lead district
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Open-File Report↗