air-sparaging n.— «Drilling began in 1995 for wells to be used in a process, called air-sparaging, to clean out the coal tar contaminants.» —“Coal-tar cleanup took 20 years” by Mark Simonson Daily Star (Oneonta, New York) Jan. 7, 2008. (source:...
miner’s moss n.— «Metal grids and perforations weed out the rocks and large chunks of dirt, while black plastic ridges capture many of the heavy gold flakes. The runoff flows onto a jumble of what looks like plastic vermicelli. The so-called...

