A large nozzle used to direct jets of water in hydraulic mining.

Piece of land that was staked out by a miner.

Waste material left after gold ore was processed.

A method of extracting gold by using water under pressure.

A bank of sand or gravel that extends into a river.

Route followed by gold.

A small amount of gold-bearing gravel in one place.

Gold rich ore.

A mineral which sometimes contains gold.

A mineral or rock that contains gold.

Area where all gold has been worked out.

Method for finding gold. Miners would “rock” these along streams and rivers.

A place built to grind and break-up gold bearing ore.

A new-found concentration of gold.

A lump of gold.

This event occurred in 1849 and brought thousands of people to California.

Deep, narrow valley or ravine.

Person who discovered gold at Sutter’s Mill in 1848 that led to Gold Rush.

Inclined trough used to convey or carry water for a long distance.

Early miner’s term for a claim being worked.

A place that evaluated mineral content of ore by chemical analysis.

Town where gold was discovered at Sutter’s Mill in 1848.