Bituminous Coal, Number of Undercutting Machines in Use at the End of the Year for United States (A01274USA155NNBR)
NOTES
| Title | Release Dates | |
|
|
||
| Bituminous Coal, Number of Undercutting Machines in Use at the End of the Year 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 | ||
|
|
||
| Number | 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 | ||
|
|
||
|
Data Include Undercutting Machines Used In Lignite Mines. Source: Mineral Resources Of The U.S., 1923, 1927, 1929, 1930, 1931; Minerals Yearbook, 1932 And Following Issues. This NBER data series a01274 appears on the NBER website in Chapter 1 at http://www.nber.org/databases/macrohistory/contents/chapter01.html. NBER Indicator: a01274 |
2005-08-01 | 2005-08-01 |
RELATED DATA AND CONTENT
Data Suggestions Based On Your Search
Content Suggestions
