spoil tip or boney pile, gob pile, bing, batch or pit heap is a pile built

abandoned accumulated asbestos batch bing black blue boney boulder built canada casa cliff construction copper damage decay dig dredger dump earth environment environmental equipment extraction former gear geology gob grande gravel heap horizontal industrial industry lake line material metal mine mineral mines mining natural other overburden pile pit quebec removed resource rock scoop shovel silver site sky slag spoil stage stare stone strip tailing thetford tip view waiting waste