Refers to all objects (manmade and natural, moving and stationary) and features such as landforms and water bodies that are visible on a landscape.

Relatively flat work area (surface location) that is used for drilling a well or wells and producing from the well once it is completed.

Bureau of Indian Affairs, U.S. Department of the Interior.

A practice (or combination of practices) that is determined to provide the most effective, environmentally sound, and economically feasible means of managing an activity and mitigating its impacts.

A spring that shoots jets of hot water and steam into the air.

National Environmental Policy Act.

Solid wastes of the type routinely generated by households.

Airborne particles emitted from any source (such as activities associated with construction, manufacturing, or transportation), other than through a controllable stack.

The radiation emitted in the spectral wavelength greater than 4 micrometers, which corresponds to the radiation emitted from the Earth and the atmosphere. See also infrared radiation.

One million watts. A unit used for measuring large amounts of energy. "Mega" means 1 million; therefore, a megajoule is 1,000,000 joules. 1 megajoule is approximately equal to 238,846 calories or 0.27778 kW/hr.