Strangford Lough: an Archaeological Survey of the Maritime Cultural Landscape: THOMAS McERLEAN,ROSEMARY McCONKEY & WES FORSYTHE720 pp., 292 illustrations, some colourNorthern Ireland Environment & Heritage Service with Blackstaff Press, Blackstaff House, Wildflower Way, Apollo Road, Belfast BT12 6TA, NI, 2002, £25 hbk, ISBN 0-85640-723-2