Grocery stores, schools, the post office, banks and governmental offices will be closed for the Thanksgiving holiday.There will be no mail delivery Thursday. Mail delivery will resume and the local post office will open again Friday.First United Bank, Lamesa National Bank, State National Bank of Big Spring, and Caprock Federal Credit Union all will be closed for Thanksgiving. Capital Farm Credit will be closed both Thursday and Friday.There are no classes for students attending Lamesa, Dawson, Klondike, Borden County and Sands at Ackerly schools for the entire week.O’Donnell students’ Thanksgiving holiday begins Wednesday. While other schools resume classes Nov. 28,