At least 75 percent of the resident labor force in the county is in the nonagricultural labor force, and b. At least 30 percent of the employed workers living in the county work in the central county or counties of the area. Statistics for States and Metropolitan Areas: A Preprint from County and ... - Halaman 510 oleh United States. Bureau of the Census - 1978 - 101 halaman Tampilan utuh -
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