Asset
North Bloomfield Gravel Mines, Nevada Co., Cal.
File metadata
Date of ingest: 29 April 2026
Description: View of hydraulic mines and mining at Malakoff Diggings by the North Bloomfield Gravel Mining Company in Nevada County. Men standing at the base of the pit, with high-pressure monitors spraying water onto the cliffs to dislodge rock mineral and move sediment.