Title:               Total Track Mileage of Railroads for United States
Series ID:           A02F3AUSA581NNBR
Source:              National Bureau of Economic Research
Release:             NBER Macrohistory Database (Not a Press Release)
Seasonal Adjustment: Not Seasonally Adjusted
Frequency:           Annual
Units:               Thousands of Miles
Date Range:          1916-01-01 to 1942-01-01
Last Updated:        2012-08-16 11:40 AM CDT
Notes:               This NBER data series a02133a appears on the NBER website in Chapter 2
                     at http://www.nber.org/databases/macrohistory/contents/chapter02.html.
                     
                     NBER Indicator: a02133a

DATE        VALUE
1916-01-01  397.0
1917-01-01  400.4
1918-01-01  402.3
1919-01-01  403.9
1920-01-01  406.6
1921-01-01  407.5
1922-01-01  409.4
1923-01-01  413.0
1924-01-01  415.0
1925-01-01  418.0
1926-01-01  421.3
1927-01-01  424.7
1928-01-01  427.8
1929-01-01  429.1
1930-01-01  429.9
1931-01-01  429.8
1932-01-01  428.4
1933-01-01  425.7
1934-01-01  422.4
1935-01-01  419.2
1936-01-01  416.4
1937-01-01  414.6
1938-01-01  411.3
1939-01-01  408.4
1940-01-01  406.0
1941-01-01  403.6
1942-01-01  399.6