The survey is part of a project to study the effects of local authority housing policy on industrial location and job mobility. This part comprises a case study of Salford County Borough, Lancashire which illustrates the operation of other forces, such as market forces and migration as well as housing policies of local and central government, which are producing residentially segregated areas. Data were collected in two waves, in 1964 (SN:33) and in 1965 (SN:59). Attitudinal/Behavioural Questions History of residence, just after marriage and since, location, tenure, size, condition, rent, reason for and date of leaving. Frequency of contact with relatives, how often visit Salford. Tenant's job history: at time of marriage, and since, type, nature of firm, journey to work (method, length, cost), hours, pay, starting date, date of leaving, reason for leaving, changes of job within first six months of moving, employment status of tenant's wife. Leisure activities: type, location, frequency. Background Variables Age, sex, marital status, how long married, relation to tenant. Ownership of consumer durables (length, method of payment).