Total Track Mileage of Railroads for United States (A02F3AUSA581NNBR)
1942: 399.6 Thousands Of Miles
Annual, Not Seasonally Adjusted, Updated: 2012-08-16 11:40 AM CDT
|Source:|| National Bureau of Economic Research
|Release:||NBER Macrohistory Database|
This NBER data series a02133a appears on the NBER website in Chapter 2 at http://www.nber.org/databases/macrohistory/contents/chapter02.html.