Source: National Bureau of Economic Research  

Release: NBER Macrohistory Database  

Units:  Cents per Pound, Not Seasonally Adjusted

Frequency:  Monthly

Notes:

Series Is Presented Here As Two Variables--(1)--Original Data, 1875-1904 (2)--Original Data, 1898-1958. Source: The Mineral Industry, 1892, P.471; The Engineering And Mining Journal; Iron Age

This NBER data series m04092a appears on the NBER website in Chapter 4 at http://www.nber.org/databases/macrohistory/contents/chapter04.html.

NBER Indicator: m04092a