Got map?? Or link to one??
http://www.corelab.com/rm/irs/studies/Lower-Smackover-Brown-Dense.aspx
http://www.haynesvilleplay.com/2011/07/southwestern-goes-public-on-smackover.html
No map at this link but more technical descriptions
http://www.visionexploration.com/smackover.htm