Bullfrog backfill to keep water at bay

Closure planning and water management at Barrick’s Bullfrog mine in Nevada, US

Bullfrog backfill to keep water at bay Bullfrog backfill to keep water at bay Bullfrog backfill to keep water at bay Bullfrog backfill to keep water at bay Bullfrog backfill to keep water at bay

The Bullfrog mine in early 2017 before backfill work began

Barrick took possession of the Bullfrog mine - originally discovered in 1904 by prospectors Frank ‘Shorty' Harris and Ernest ‘Ed' Cross - when it acquired Lac Minerals in 1994.

The company ran Bullfrog until 1999, terminating operations because costs had exceeded the price of gold, which was trading below US$300 an ounce.

However, the cessation of mining did not p...