NOTE.—A list of post route maps, prepared primarily for the postal service but available to the public is given below. New editions are published about once a year. Each of these maps shows all post offices within the State and indicates how each is supplied with mail. County boundaries are shown and each county is named, but only the principal drainage features are delineated. These maps show no highways and only the railroads that carry mail. The maps listed at 60 cents each are single-sheet maps; those priced at $1.20 are 2-sheet maps.
Rural delivery routes are not indicated on the post route maps, but are shown in detail on county or local maps which, with a few exceptions, are drawn to the scale of 1:62,500 or 1:63,360 (1 mile to the inch). Maps of more than 1,600 counties in the United States have been prepared by the Post Office Department and blue-line prints, made from negatives on file, are sold for 50 cents per copy. Each county map shows, in addition to the roads traveled by rural carriers, all post offices within the county at the time the negative was made and all other roads, houses, schools, and churches known at the time the map was originally drawn, together with an outline of the drainage. A list of the county maps on file will be furnished upon application to the Superintendent, Division of Finance, Post Office Department, Washington, D. C. Rural delivery routes emanating from post offices in counties for which county maps have not been drawn are shown on local maps. Blueprint copies of such maps are sold at 25 cents each. Orders for all postal maps should be accompanied by money order and addressed to the Superintendent, Division of Finance, Post Office Department, Washington, D. C.