[C]

California pump, [171]

Challenger ore feeder, [74], [75]

Charcoal, To make, [141]

Chemical formulas, [182]

Chlorine as a lixiviator, [73-75]

Company formation, [113-126]

Comstock lode, [42], [43]

Copper mine at Burra Burra, [24]

Copper plates, Scaling, [144], [145];