"Waste rock" means a naturally occurring material that is mined as part of the process to reach ore and has minimal or no economic value at the time the material is mined.
Nev. Admin. Code § 445A.3835
"Waste rock" means a naturally occurring material that is mined as part of the process to reach ore and has minimal or no economic value at the time the material is mined.
Nev. Admin. Code § 445A.3835