-- See Also Mines and mineral resources Here are entered works on the potential economic value of minerals or the technical aspects of locating and removing them from the earth. Works on the industries based on the extraction, processing, and commercialization of minerals are entered under Mineral industries. Works on the geochemical or geological aspects of naturally formed inorganic and organic compounds are entered under Minerals. --headings beginning with the words Mine and Mining
-- See Also the narrower term Soils Here are entered works on natural soils. Works on plant growing media which include both natural soils and artificial media are entered under Plant growing media. Works on growing media which do not contain natural soils are entered under Plant growing media, Artificial. Works on growing media for potted plants are entered under Potting soils. --subdivision Soils under individual plants, e.g. Corn--Soils; and headings beginning with the word Soil
