The Published Wholesale Price For Portland Cement Represents The Simple Average F.O.B. Plant Prices In 6 Important Production Centers Regionally Scattered Throughout The Country. The Production Centers Are Among The More Important Basing Points For The Industry. The Prices Are Furnished By Manufacturers Of Cement And Represent F.O.B. Plant Net Cash Prices. That Is, The Quoted Price Less Trade Discounts, Cash Discounts, And Allowance For Return Of Bags. Quoted By NBER From Letter From Lubin, 02/09/37. From 1929 On, The Series Is Called Composite Price, Plants. No Prices Were Quoted After December, 1938. Source: Bls Bulletins, Nos. 335, 367, 415, 440, 473, 493, 521, 543, And 572 And Monthly "Wholesale Prices."
This NBER data series m04099a appears on the NBER website in Chapter 4 at http://www.nber.org/databases/macrohistory/contents/chapter04.html.
NBER Indicator: m04099a
Release: NBER Macrohistory Database
National Bureau of Economic Research, Wholesale Price of Portland Cement, Six Production Centers for United States [M0499AUSM053NNBR], retrieved from FRED, Federal Reserve Bank of St. Louis https://research.stlouisfed.org/fred2/series/M0499AUSM053NNBR/, August 30, 2015.