While many Lewiston Public Works crews were busy Thursday morning clearing sidewalks and streets from the overnight mix of snow, sleet and freezing rain, other crews were patching potholes around the city caused by the recent drastic temperature changes. Chad Bates shovels cold patch to a co-worker who did not want to be identified at the corner of Sabattus and Russell streets early Thursday morning. (Sun Journal photo by Russ Dillingham)