Battery—A set of stamps for crushing.
Bed—A seam or deposit.
Bed-rock—Solid stratum below porous material.
Bench—Old river bed; also called a terrace.
Booming—The sudden discharge of accumulated water.
Bort—Black diamond.
Calcite—Carbonate of lime.
Canon—Pronounced canyon; a gorge.
Carat—About 4 grains Troy.
Cement—Compacted gravel.