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Statistical atlas of the United States : based upon results of the eleventh census
Gannett, Henry, (1898)
Census atlas
(2001)
(1999)
Tables B-12(F), B-13(i)(F) and B-13(ii)(F)
(2000)
Tables: B-8(F) and B-9(F)
Tables B-1(S), B-2(S, B-3(S), B-4(S), parts A & B