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8 results returnedInvestigation of the Toncrae-Howard copper deposits, Floyd County, Va.
Investigation of the Allah Cooper lead-zinc mine, Louisa County, Va.
Investigation of Vest nickel prospect, Floyd County, Va.
Investigation of Valzinco lead-zinc mine, Spotsylvania County, Va.
Investigation of the White zinc-lead deposit, Lafayette County, Wis.
Investigation of Scallon-Todd lease, Aitkin County, Minn.
Shallow lead diggings, Grant and Lafayette Counties, Wis.
Lightweight aggregates :expansion properties of clays, shales, and argillites of Minnesota
Published Year
Subject
- Lead mines and mining--Wisconsin--Lafayette County (2)
- Aggregates--Minnesota (1)
- Copper mines and mining--Virginia--Floyd County (1)
- Lead mines and mining--Virginia--Louisa County (1)
- Lead mines and mining--Virginia--Spotsylvania County (1)
- Lead mines and mining--Wisconsin--Grant County (1)
- Manganese mines and mining--Minnesota--Aitkin County (1)
- Nickel mines and mining--Virginia--Floyd County (1)
- Nickel ores--Virginia--Floyd County (1)
- Nonmetallic minerals--Minnesota (1)
- Set theory--Minnesota (1)
- Zinc mines and mining--Virginia--Louisa County (1)
- Zinc mines and mining--Virginia--Spotsylvania County (1)
- Zinc mines and mining--Wisconsin--Lafayette County (1)
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