Observations

1915: 47.27

Updated: Aug 15, 2012 3:46 PM CDT

Units:

Millions of Long Tons,

Not Seasonally Adjusted

Frequency:

Annual

Notes

Title	Release Dates

Iron Ore Shipments, Lake Superior Region, Total for United States	2005-08-01	2005-08-01

Source

National Bureau of Economic Research	2005-08-01	2005-08-01

Release

NBER Macrohistory Database	2005-08-01	2005-08-01

Units

Millions of Long Tons	2005-08-01	2005-08-01

Frequency

Annual	2005-08-01	2005-08-01

Seasonal Adjustment

Not Seasonally Adjusted	2005-08-01	2005-08-01

Notes

Series Is Presented Here As Three Variables--(1)--Original Data, 1889-1915 (2)--Original Data, 1911-1937 (3)--Original Data, 1930-1939. Data Include Iron Ridge Area (Southern Wisconsin); Also Both Railroad And Waterborne Shipments Are Included. Source: Lake Superior Iron Ore Association, Lake Superior Iron Ores, 1938, Pp. 308, 340. This NBER data series a01194a appears on the NBER website in Chapter 1 at http://www.nber.org/databases/macrohistory/contents/chapter01.html. NBER Indicator: a01194a	2005-08-01	2005-08-01

Iron Ore Shipments, Lake Superior Region, Total for United States (A0194AUSA418NNBR)