INDEX.

Chief Industry	[ 3]	River-Mining	[ 24]
Metals obtained	[ 3]	Beach-Mining	[ 26]
Gold Mines	[ 3]	Mining-Ditches	[ 27]
Placer Mines	[ 5]	Prospecting	[ 27]
The Sluice	[ 7]	Quartz-Mining	[ 27]
Amalgamation	[ 9]	Distribution of Gold in Quartz	[ 28]
Cleaning up	[ 11]	Prospecting Quartz Rock	[ 30]
Riffle-Bars	[ 12]	The Divining Rod	[ 31]
Double Sluices	[ 13]	Quarrying Quartz	[ 31]
Rock-Sluices	[ 13]	Arastra	[ 32]
Hydraulic Mining	[ 14]	Chilean Mill	[ 34]
Blasting	[ 16]	Stamps	[ 34]
Tail-Sluice	[ 16]	Separation	[ 34]
Tunnel-Sluice	[ 17]	Sulphurets	[ 36]
Ground Sluice	[ 17]	Chief Quartz-Mills	[ 36]
Long Tom	[ 17]	Silver Mining	[ 37]
Cradle	[ 18]	Quicksilver Mining	[ 38]
Pan	[ 20]	Platinum	[ 39]
Dry Washing	[ 22]	Del Norte and Klamath	[ 39]
Dry Digging	[ 22]	Siskiyou	[ 40]
Puddling-Box	[ 22]	Trinity and Shasta	[ 40]
Quicksilver-Machine	[ 23]	Plumas and Sierra	[ 41]
Tunnel-Mining	[ 23]	Yuba and Butte	[ 43]
Shafts	[ 24]	Nevada and Placer	[ 44]