US: The Montana Department of Environmental Quality (DEQ) is accepting public comment on a proposed shale-clay exploration project by Ireland-based CRH’s subsidiary Ash Grove Cement near its Clark Gulch quarry. The Observer has reported that the project would consist of construction of a 0.62km road and the extraction and transportation of a 10,000t sample. The window for comment closes on 3 January 2020.
Montana Department of Environmental Quality invites comment on Ash Grove Cement shale clay exploration
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