Release: NBER Macrohistory Database
Data On Wire Mileage, Published In The Above Source, Are Based On Annual Reports Of The Western Union Telegraph Company. Increases Were Computed By Subtracting The Previous Year'S Mileage From The Mileage In The Year Reported. Increases For 1867-1913 Are For Years Ending June 30; Data For 1914-1962 Are For Calendar Years. Alaska And Hawaii Are Excluded. The Large Increase In Mileage In 1943 Reflects The Acquisition Of Postal Telegraph Companies. Source: Statistical Abstract Of The United States, Bureau Of Census, Issues Of 1913, 1920, 1935, 1943, 1947, 1952, 1957, 1963.
This NBER data series a02097 appears on the NBER website in Chapter 2 at http://www.nber.org/databases/macrohistory/contents/chapter02.html.
NBER Indicator: a02097
National Bureau of Economic Research, Increases in Wire Mileage of Western Union Telegraph Company for United States [A02097USA581NNBR], retrieved from FRED, Federal Reserve Bank of St. Louis; https://fred.stlouisfed.org/series/A02097USA581NNBR, March 26, 2017.