Regional news article on the BBC News website announcing St. Albans Museum's Weston Gallery is to host an exhibition of Henry Moore's coalmining sketches - the largest of its kind. Quotes from Farhana Begum and Annabel Lucas. Mention of the War Artists Advisory Committee. Three illus, including a biographical image of Moore drawing in the coalmines at Whedale Coliery by photographer R. Saidman.