‘From 200 to 400 loads a day’: Shingle Mountain cleanup set to start in southern Dallas Contractors started doing prep work to move the six-story pile of debris that has accumulated near homes for nearly three years Amber Wang, a board member for Downwinders at Risk, holds a sign reading "property city of Dallas" as she stands with other activists outside of Shingle Mountain after a giant countdown clean-up calendar was installed, on Nov. 16, 2020 in Dallas. The calendar signals the end of a 30-day public notice required by state and local officials to begin cleanup.(Ben Torres / Special Contributor) with more background on Shingle Mountain’s origins.