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  1. Category:Coal towns in Pennsylvania - Wikipedia

  2. Coal Region - Wikipedia

  3. WESTERN PENNSYLVANIA COALFIELDS - coalcampusa.com

  4. Hidden Villages Of Pennsylvania’s Coal Mining Era

  5. PA Mining History - Pennsylvania DEP

  6. Mines and Company Towns - IUP - Indiana University of Pennsylvania

  7. ExplorePAHistory.com - Stories from PA History

  8. Anthracite Coal Mining Region of Northeastern Pennsylvania

  9. Coal In Pennsylvania - Pennsylvania Mines and Mining - Library …

  10. Eckley Miners' Village | Commonwealth of Pennsylvania - PA.GOV