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Summary
| Description |
English: Average annual number of employed coal miners in the United States, 1890-2014 |
| Date | |
| Source | Own work |
| Author | Plazak |
Graph of data from two sources. 1900-2014 from US Department of Labor MSHA website: http://arlweb.msha.gov/stats/centurystats/coalstats.asp Data 1890-1900 from: Historical Statistics of the United States, US Department of Commerce, 1960, p.358-359.
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 16:10, 13 May 2017 |
| 2,100 × 1,425 (31 KB) | Plazak | Reverted to version as of 00:50, 19 April 2016 (UTC) same as old file - try again |
| 00:56, 13 May 2017 |
 | 2,025 × 1,350 (31 KB) | Plazak | Extend range of dates to 1860-2016 | |
| 00:50, 19 April 2016 |
 | 2,100 × 1,425 (31 KB) | Plazak | User created page with UploadWizard |
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