Series Has Been Subdivided Into Two Variables: (1) V814 -- Original Data, 1916-1934; (2) V815 -- Original Data, 1929-1955. Data Furnished By Southern Pine Association, 1916-1928 Covers 192 Mills The "Total Industry Estimates" Segment, 1929-1940, Is Reduced To The Level Of The 1916-1928 Segment Of 192 Mills On The Basis Of Their Average Monthly Relationship In The Overlapping Year 1929. The Ratio Used Is .3941. Source: 1916 - 1928 Directly Furnished By Southern Pine Association. 1929-1940 Computed By NBER From Data (A) January-April 1929, 192 Mills Direct From Southern Pine Association; (B) May-December 1929, "Survey Of Current Business", 1931 Supplement; (C) 1929-1940, Total Industry Estimates Southern Pine Association"Southern Pine Statistics: 1929-1936" And "Survey Of Current Business".
This NBER data series m02137a appears on the NBER website in Chapter 2 at http://www.nber.org/databases/macrohistory/contents/chapter02.html.
NBER Indicator: m02137a
Release: NBER Macrohistory Database
National Bureau of Economic Research, Southern Pine Lumber Production for United States [M0237AUSM388NNBR], retrieved from FRED, Federal Reserve Bank of St. Louis https://research.stlouisfed.org/fred2/series/M0237AUSM388NNBR/, August 5, 2015.