Well documented history of the railways in the Aller valley, southeast of Oviedo: the 600 and 750 mm gauge mining railways and the metre gauge FC Vasco Asturiano, taken over by the FEVE in 1972 and still operated for passengers between. Ujo and Callanzo. Illustrated with many maps, track plans and photographs, but the only locomotive list is of 600 mm Deutz diesels. 171 pages 21x27 cm, sb.