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Jul 20, 2015, 6:03 am65 pts
Grist
Q. Our community needs to replace its pedestrian pathways, which are 8-foot-wide asphalt. What are the relative merits of replacing them with concrete versus putting down another layer of asphalt? (Some places would need to be dug up and redone, even if we use asphalt.) We know there is lots of toxicity in…
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