(DOC) KONTRAK KERJASAMA PENAMBANGAN BATU
Anoxic Limestone Drains typically outlet into a settling pond or wetland to allow metals an opportunity to precipitate and settle. Successive Alkalinity Producing Systems have the following basic elements: organic mulch layer, limestone layeq and a drainage system - most include a flushing system as wel. KONTRAK KERJASAMA PENAMBANGAN …