QUESTION: --------- ICPSR county code 1968-1982 NOTES: ------ See Appendix "COUNTY CODE"(part III). Coded 01001-73037 and: WEIGHT: ------- VCF0009/VCF0009a TYPE: ----- Numeric Dec 0 SOURCE_VARS: ------------ 1968: 680016 1970: 700020 1972: 720007 1974: 742008 1976: 763008 1978: 780013 1980: 800010 1982: 820017