Its form of mining that uses high-pressure jets of water to dislodge rock material or move sediment.This means that where farmers put their crops,it will have to be where there was no hydraulic mining because the ground might collapse because there are no rocks holding up the ground
i like it. its something people need to understand because theres a diffrence. i t makes sense to me so im pretty sure whoever your sending it to will understand it. good stuff dude