Resolution Copper's mine would use about 250 billion gallons, but what's the water for?

While Arizona faces unprecedented drought, Resolution Copper's proposed mine at Oak Flat would use about 250 billion gallons over the project's lifetime, which could also destroy key aquafiers for the community.But what is the water for? Henry Muñoz, a retired miner with extensive experience in the block-caving method, explains it in this video.