Students and some workers will have a three-day weekend thanks to the Labor Day holiday.There will be no mail delivery on Monday. The post office, except the lobby, is closed that day. So are all the banks and federal offices.City Hall, the Dawson County Courthouse and the Lamesa Area Chamber of Commerce offices are all closing for Labor Day.The Dawson County Public Library will be closed starting this Saturday through Monday. It doesn’t reopen until Tuesday, Sept. 5.Medical Arts Clinic will be closed Monday.The South Plains Public Health District’s Lamesa Health Clinic will be open for half a day from ...