TD Magazine Article Training For The Big Count EC By Edward M. Cook 0 Comments Bookmark Main Site Sign in Page Don't have an ATD account? Don't have an ATD account? Forgot your Password? Already an ATD customer without a web account? Institutional subscriber? Click here to sign in. Share Member-Only Content "Good morning—I'm Mary Nelson from the United States Bureau of the Census. Here is my identification card April 1, 1960, marks the official start of the 18th Decennial Census. You've reached ATD member-only content. Sign in below or join ATD to continue. Sign In
