Refer all to the article in Arkansas Business magazine, "South Arkansas Rich in Natural Resources." Note references to both the Haynesville Shale and to lignite mining. http://www.arkansasbusiness.com/article.aspx?aID=106941
Thanks Mike, I used this info when contacted by a landman Friday and he stutured and mumble he had'nt heard of any of this before after he offered $50 an Acre.