Joe Barone, Shale Directories Blog, Fracking February 1, 2019 The Unconventional Use of Unconventional Gas Terms in Briggs Thomas D. GillespieProfessional Geologist, Bethlehem, PA …. Geologist Tom Gillespie has filed an amicus brief in the crucial Briggs v. SWN case and here is a condensed version in the form of a guest post from Tom. Read More