Browse TRAIL Inventories

Coughlin and Galena Level zinc mines area, Lafayette County, Wis.

Investigation of the Argall (Baggaley) zinc-lead mine, Iowa County, Wis.

Investigation of the Crescent lead and zinc mine, Iowa County, Wis.

Investigation of the Harding tantalum-lithium deposits, Taos County, N. Mex.


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