Hi Thomas and others, This report that I just found from the UK may be of interest to you = regarding fracting. It is a November 2011 report and contains extensive = details: MUCH of which is WAY over my head. I=E2=80=99m sure that you = or others here can make heads or tails from it. Like I say, it was in = the UK, but I don=E2=80=99t see what it would not to pertain to shale = deposits here in North America. Geomechanical Study of Bowland Shale Seismicity Synthesis Report Prepared by Dr. C.J. de Pater and Dr. S. Baisch 2 November 2011 http://www.cuadrillaresources.com/cms/wp-content/uploads/2011/11/Final_Re= port_Bowland_Seismicity_02-11-11.pdf Regards,Hi=20 Thomas and others,This=20 report that I just found from the UK may be of interest to you regarding = fracting. It is a November 2011 report and contains extensive=20 details: MUCH of which is WAY over my head. I=E2=80=99m sure = that you or=20 others here can make heads or tails from it. Like I say, it was in = the UK,=20 but I don=E2=80=99t see what it would not to pertain to shale deposits = here in North=20 America.Geomechanical Study of Bowland ShaleSeismicitySynthesis ReportPrepared byDr. C.J. de Pater and Dr. S. Baisch2 November 2011Regards,Jerry