Browse TRAIL Inventories

Mining diatomaceous earth at Lompoc, California

Twenty live reasons for first-aid training in California

Explosives accidents in California metal mines

Accident experience and cost in California metal mines

Some factors affecting an accident-prevention program in metal mining in California

Mining and milling methods and costs at the glass-sand plant of P.J. Weisel, Inc., Corona, Calif.

Blast-hole diamond drilling in California mines

Minerals for chemical manufacturing :a survey of supply and demand in California and Nevada


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