...cities with a combined population of at least 50,000. In addition to the county or counties having such a city or cities, contiguous counties are included...an SMSA if, according to certain criteria, they are basically metropolitan in character and are socially and economically integrated with the central city....

...inhabitants or more or "twin cities" with a combined population of at least 50,000. In addition, other contiguous counties are included in an SMSA if, according...integrated with the central city. In New England, towns and cities rather than counties are used in defining SMSA's. Central cities are those named in...

...in Now England) which contains at least one city of 50,000 inhabitants or more in 1950 or subseque In addition to the county, or counties, containing...city, or cities, contiguous counties are included standard metropolitan area if according to certain criteria they are essentially metropolitan in character...

...metropolitan statistical area if, according to certain criteria, they are essentially metropolitan in c and are socially and economically Integrated with the central city. In New England, towns and citip; units used in defining standard metropolitan statistical areas. This list of areas...

...inhabitants or more or "twin cities" with a combined population of at least 50,000 in the 1970 census. In addition to the county or counties containing such...counties are included in an SMSA if, according to specified criteria, they are essentially metropolitan in character 5National Center for Health Statistics:...

...such a city or urbanized area, contiguous counties are included in an SMSA if, according to specified criteria, they are essentially metropolitan in character...and economically integrated with the central city or urbanized area (6). In the New England States the US Office of Management and Budget uses towns...

...city of 50,000 inhabitants or more or "twin cities" with a combined popuiation of at ieast 50,000. In addition to the county or counties containing such a city or cities, contiguous counties are inciuded in an SMSA if, according to specified criteria, they are essentiaBy metropoiitan in character...

...group of contiguous counties which contains at least one central city of 50,000 inhabitants or more. In addition to the county or counties containing such...city or cities, contiguous counties are included in a standard metropolitan area if according to certain criteria they are eventually metropolitan in character,...

...city of 50,000 inhabitants or more, or "twin cities" with a combined population of at least 50,000. In addition to the county, or counties, containing...socially and economically integrated with the central county. In New England SMSA's consist of towns and cities, rather than counties. The metropolitan population...

...city of 50,000 inhabitants or more, or "twin cities" with a combined population of at least 50,000. In addition to the county, or counties, containing...counties are included in an SMSA if, according to certain criteris, they are essentially metropolitan in character and are socially and economically integrated...