. DHEW Publication No. (NIH) 74-615 National Cancer Institute National Institutes of Health Frank W. McKay Epidemiology Branch By Thomas J. Mason, Ph.D. Washington, D.C, 20602 - Price $9 For sale by tbe Superintendent of Documents, U.S Goverament Printing Office U.S. Department of Health, Education, and Welfare Public Health Service National Institutes of Health National Cancer Institute, Bethesda, Maryland 1950-1969 U.S. CANCER MORTALITY BY COUNTY: F Mie