Since last Sunday’s winter storm dumped roughly eight to 10 inches of snow on Nantucket, crews have been working around the clock to clear the island’s roads, sidewalks, and bike paths. The town’s Department of Public Works and crews from Barrett Enterprises have been filling dumpsters and dump trucks full of snow and hauling them to the upper Jetties Beach parking lot, where a small mountain continues to grow. As of Thursday afternoon, workers were still loading truckloads of snow in the downto