Administrative Rules of Montana
Department 17 - ENVIRONMENTAL QUALITY
Chapter 17.24 - RECLAMATION
Subchapter 17.24.1 - Rules and Regulations Governing the Montana Hard Rock Mining Reclamation Act
Rule 17.24.180 - DEFINITIONS

Universal Citation: MT Admin Rules 17.24.180

Current through Register Vol. 6, March 22, 2024

As used in ARM 17.24.181 through 17.24.189, unless the context indicates otherwise, the following definitions apply:

(1) "Commence reclamation within six months" means to commence reclamation within six months or the first seasonal opportunity after mining is not resumed after a seasonal closure;

(2) "Live stream" means a stream with flowing water;

(3) "Pay gravel" means gravels containing sufficient mineralization to be economic;

(4) "Plant" means a support facility, including a wash or processing plant, for a placer or dredge operation;

(5) "Sedimentation" means solid material settled from suspension in a liquid; mineral or organic solid material that is being transported or has been moved from its site of origin by air, water, or ice, and has come to rest on the earth's surface either above or below sea level; or inorganic or organic particles originating from weathering, chemical precipitation or biological activity.

82-4-321, MCA; IMP, 82-4-305, 82-4-335, MCA;

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