American Dudes: (2) Ed Heffern

Ed Heffern (U.S. Bureau of Land Management in Cheyenne, Wyoming, USA) is a coal combustion dude.

Mark Nelson and Ed Heffern at the University of Wollongong. 
              11th March 2008.
Ed Heffern visited the University of Wollongong on 11th March 2008, giving a seminar presentation on Modern and Ancient Coal Fires in the Powder River Basin, Wyoming and Montana, USA. Photograph by Mrs Heffern.

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Page Created: 18th April 2008.
Last Updated: 18th April 2008.