THE initiation of an entirely new ordnance map series on a scale of 1: 25,000, or about 2 ½ inches to the mile, was one of the chief recommendations of a departmental committee set up in 1935. It ...

More information about the Center surveys cited in this analysis can be found at the links in the text. Here is the question used in the January 2025 survey, the topline and the survey methodology.