Here are entered works on species or groups of animals that no longer exist anywhere or that have become extinct in a particular area, but not throughout their entire range. --headings for individual extinct animals and groups of extinct animals
Here are entered works on species or groups of animals that no longer exist anywhere or that have become extinct in a particular area, but not throughout their entire range. --headings for individual extinct animals and groups of extinct animals
Here are entered works on extracorporeal pumping mechanisms that duplicate the function of the natural heart. Works on intracorporeal pumping mechanisms that duplicate the function of the natural heart are entered under Heart, Artificial.
Here are entered works on the industries based on the extraction, processing, and commercialization of minerals. Works on the geochemical or geological aspects of naturally formed inorganic and organic compounds are entered under Minerals. Works on the potential economic value of minerals or the technical aspects of locating and removing them from the earth are entered under Mines and mineral resources. --subdivision Effect of mining on under individual animals and groups of animals, e.g. Fishes--Effect of mining on
