Surveying is the art and science of measuring the land to locate the limits of an owner's interest thereon.
A cadastral survey is a survey which creates, marks, defines, retraces or re-establishes the boundaries and subdivisions of Federal Lands of the United States.
Meanwhile, Tricia finds herself in trouble with a horde of angry parents when she prescribes a contraceptive pill to a 16-year-old girl.
Elsewhere, Vernon and David fall out when strange events occur at the cottage, until they discover they have a new house guest, whilst Bellamy moves in with a depressed Mike after Jackie's departure.
On the face of it, 44-year-old teaching assistant Anna Rowe is a sensible woman.