mine wall definition
mine wall means the exposed face of an excavation in a surface mine from ground level to the working level;
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Network Area means the 50 mile radius around the local school campus the Named Insured is attending.
Mine drainage means any drainage, and any water pumped or siphoned, from an active mining area or a post-mining area. The abbreviation “ml/l” means milliliters per liter.
Surface water means all water which is open to the atmosphere and subject to surface runoff.
Surface waters means water on the surface of the ground where water does not usually accumulate in ordinary watercourses, lakes, or ponds. This includes any waterborne objects.
Drainage area means a geographic area within which stormwater, sediments, or dissolved materials drain to a particular receiving waterbody or to a particular point along a receiving waterbody.