Mining operation means any operations undertaken for the purpose of winning any mineral as defined in section 3 (d) of Mines and Minerals (Development and Regulation) Act, 1957.
Mining Operations means obtaining or extracting any mineral by any mode or method or any purpose directly or indirectly connected therewith or incidental thereto, including—
Farming operation means raising, cultivating, propagating, fattening, grazing, or any other farming, livestock, or aquacultural operation.
Drilling operations means the drilling of an oil and gas well and the production and completion operations ensuing from the drilling which require entry upon the surface estate and which were commenced after June 30, 1979, and oil and gas geophysical and seismograph exploration activities commenced after June 30, 1983.
Animal feeding operation (“AFO”) means a lot or facility (other than an aquatic animal production facility) where animals have been, are, or will be stabled or confined and fed or maintained for a total of 45 days or more in any 12-month period, and crops, vegetation, forage growth, or post-harvest residues are not sustained in the normal growing season over any portion of the lot or facility [40 CFR § 122.23(b)(1)].