Okla. Stat. tit. 45, § 45-361: Terms defined

When used in this title the following terms, unless otherwise

defined, shall be construed to have the following meaning:

1. "Coal" means lignite, subbituminous, cannel, bituminous,

semibituminous, semianthracite, anthracite and asphaltic minerals or

other hydrocarbons recovered by mining.

2. "Mine" means a quarry, an underground or surface excavation

and development with or without shafts, slopes, drifts or tunnels,

for the extraction of coal or minerals, with hoisting or haulage

equipment and appliances for the extraction of coal or minerals, and

shall embrace any and all of the land or property of the mining

plant, and the surface and underground, that contribute directly or

indirectly to the mining properties, concentration or handling of

coal or minerals.

3. "Minerals" means asphalt, clay, copper, granite, gravel,

gypsum, lead, marble, salt, sand, shale, stone, tripoli, volcanic

ash and zinc, or any other substance commonly recognized as a

mineral and includes ores or rock containing any such substances but

excludes oil, gas and any other mineral found naturally in a liquid

or gaseous state.