Most schools, several governmental offices and the majority of banks will be closed Monday for the Columbus Day holiday.The Dawson County Public Library is closed Monday. So is the post office. There won’t be any mail delivery Monday. Deliveries resume Tuesday.The Dawson County Courthouse, Lamesa Area Chamber of Commerce and federal offices will also be closed Monday, but Lamesa City Hall will be open.Capital Farm Credit is the only financial institution to remain open for the holiday. All other local banking establishments are closed Monday.Medical Arts Clinic will be open during its regular clinic hours from 8 a.m. until 5 ...