Coal Region (Italian Wikipedia)

Analysis of information sources in references of the Wikipedia article "Coal Region" in Italian language version.

refsWebsite

Global rank Italian rank

low place

low place

1web.archive.org

1^st place

1^st place

msha.gov

http://www.msha.gov/district/dist_01/history/history.htm%7Cwork=The Archiviato il 24 marzo 2012 in Internet Archive. U.S. Department of Labor|publisher=Mine Safety and Health Administration

web.archive.org

http://www.msha.gov/district/dist_01/history/history.htm%7Cwork=The Archiviato il 24 marzo 2012 in Internet Archive. U.S. Department of Labor|publisher=Mine Safety and Health Administration