Antracite: diferenças entre revisões
Conteúdo apagado Conteúdo adicionado
antracito de carvão -> carvão de antracito |
Resgatando 4 fontes e marcando 0 como inativas. #IABot (v2.0beta15) |
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== Ligações externas ==
* [http://www.coaldelivery.com/faq/ FAQ on Anthracite Coal]
* [https://web.archive.org/web/20050116090352/http://www.dep.state.pa.us/dep/deputate/enved/go_with_inspector/coalmine/Anthracite_Coal_Mining.htm Map of the anthracite coal fields of Pennsylvania]
* [https://web.archive.org/web/20160123061246/http://www.msha.gov/
* [https://web.archive.org/web/20050411075135/http://www.coalregion.com/home.htm Coalregion.com]
* [https://web.archive.org/web/20050120091305/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]
[[Categoria:Carvão]]
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