Source: National Bureau of Economic Research  

Release: NBER Macrohistory Database  

Units:  Thousands of Short Tons, Not Seasonally Adjusted

Frequency:  Monthly, End of Month

The Figure For October 1931 Is Interpolated Because No Data Was Reported For This Month. Beginning In 1936, Data Were Reported Through The Third Of The Month And Are Included In The Preceding Month. Data For May, July, And October 1940 And January And April 1941 Are For Five Weeks; Other Months Are Four Weeks. Joplin Is A Tri-State District Covering Parts Of Kansas, Missouri And Oklahoma.Area Covered Is U.S.-- Joplin District. Source: U.S. Department Of Commerce: Survey Of Current Business, Supplements Of 1932, 1936, 1938, 1940 And Following Issues.

This NBER data series m05089 appears on the NBER website in Chapter 5 at http://www.nber.org/databases/macrohistory/contents/chapter05.html.

NBER Indicator: m05089