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*US BUR CENS, 1967, COUNTY BUSINESS PATT
[12]
*US BUR CENS, 1969, CURRENT POPUL P25427
[13]
*US BUR CENS, 1969, COUNTY BUSINESS PATT
[14]
*US BUR CENS, 1966, COUNTY BUSINESS PATT
[15]
*US NAT CTR HEALTH, 1953, VITAL STATISTICS US, V1
[16]
*US NAT CTR HEALTH, 1963, VITAL STATISTICS US, V2
[17]
*US NAT CTR HEALTH, 1963, VITAL STATISTICS US, V1
[18]
*US NAT CTR HEALTH, 1953, VITAL STATISTICS US, V2
[20]
ZITTER M, 1968, ANNUAL M POPULATION