by Stuart Wilder Maher
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Trace element content of some ore deposi...
The copper-sulfuric acid industry in Ten...
Fluorspar in Tennessee
The marble industry of Tennessee
The zinc industry of Tennessee
Barite
Les gisements de Chaillac (Indre)
Barite deposits of Virginia
Barytes in Ireland
The lead, copper & barytes mines of Shro...
Barite nodules in Devonian shale and mud...