Regional view of the area. http://www.ameliaresources.com/documents/tuscaloosatrend/Amelia%20Resources%20Tuscaloosa%20Marine%20Shale%20PLAY%20BOUNDARY%20MAP%20FEB%202011.pdf More Information. http://www.ameliaresources.com/tuscaloosa-trend.htm http://clients.weblink.com.au/clients/pryme/article.asp?asx=PYM&view=6531615 http://www.gohaynesvilleshale.com/forum/topics/austin-chalk-in-louisiana?xg_source=activity&id=2117179:Topic:1676420&page=6#comments