Browse TRAIL Inventories

Talc in fire-resistant paint

Talc mining and milling at Madoc, Ontario

The mining and preparation of Tripoli

Talc and soapstone

The talc industry in 1920

Bentonite

Soapstone

Feldspar mining and milling :near Keene, New Hampshire

Silica

Conditions in the feldspar industry

Epsomite


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