Percent change in manufacturing employment by counties of the United States, 1967 to 1972 / prepared by Geography Division in cooperation with Industry Division, Bureau of the Census, U.S. Department of Commerce
United States maps. GE-50 ; no. 73 United States maps. no. 73.
"County boundaries reflect 1967 status." "Sources: 1967 and 1972 Censuses of Manufactures, Volume III, Area Statistics." "Stock no. 003-024-01602-8." Includes boundaries diagram and insets of Alaska and Hawaii.