Tatterdemalion: A Case Study in Adjectival Contextual Vocabulary Acquisition

An hydraulic mining system comprising the generation of power from a column of water which downflows from a surface reservoir to an underground reservoir and in which at least a portion of spent water is recirculated and with the column of water operating a turbine, mechanically driving a pump included in a transfer tube extending from the mining level to the ground surface from the turbine, converting waste rock into slurry form, converting mineral-containing ore into slurry form, introducing the slurries into said tube to be pumped upwardly therein, separating water from said slurries at the ground surface and returning this spent water to the surface reservoir.