Khác biệt giữa bản sửa đổi của “Anthracit”
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== Liên kết ngoài ==
{{Commonscat|Anthracite}}
* [http://www.buycoalonline.com/VIDEOS.html HD Video close up of what Anthracite looks like] {{Webarchive|url=https://web.archive.org/web/20160928215523/http://www.buycoalonline.com/VIDEOS.html |date=2016-09-28 }}
* [http://www.dcnr.state.pa.us/cs/groups/public/documents/document/dcnr_016203.pdf The Distribution of Pennsylvania Coals]
* [http://www.msha.gov/District/Dist_01/History/history.htm History of anthracite coal mining] {{Webarchive|url=https://web.archive.org/web/20160123061246/http://www.msha.gov/district/dist_01/history/history.htm |date=2016-01-23 }}
* [http://www.phmc.state.pa.us/ppet/eckley/page1.asp?secid=31 "A Jewel In the Crown of Old King Coal Eckley Miners' Village" by Tony Wesolowsky, ''Pennsylvania Heritage Magazine'', Volume XXII, Number 1 – Winter 1996] {{Webarchive|url=https://web.archive.org/web/20050120091305/http://www.phmc.state.pa.us/ppet/eckley/page1.asp?secid=31 |date=2005-01-20 }}
* [http://www.orangewaternetwork.org The Eastern Pennsylvania Coalition for Abandoned Mine Reclamation]
* [http://www.anthracitemuseum.org/ The Anthracite Heritage Museum. ]
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