Data and Resources

• B019

  Zinc and Lead Deposits of the Upper Mississippi Valley

  Bain, H.F.;

  1907

  Report: 154 p.

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• B019-plate02

  Plate 2: Geologic Map of the Zinc and Lead Regions of the Upper Mississippi Valley

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• B019-plate07

  Plate 7: Map Showing Distribution of Crevices and Locations of Special Maps in the Upper Mississippi Valley Zinc and Lead Region

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• B019-plate08

  Plate 8: Map Showing Geology and Topography of the Dubuque Area with Structural Contours on the Base of the Galena Dolomite and Principal Crevices

  Ellis, E.E.; Bain, H.F.; Guilford, W.H.;

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