Posted on January 1, 2011October 10, 2018 by sca0 Comments Subsurface Consultants & Associates, LLC > Press Release > “DPA MOVES FORWARD WITH BUSINESS PLAN” AAPG Explorer, January 2011, Division’s Column: DPA, “DPA Moves Forward with Business Plan” http://www.aapg.org/explorer/2011/01jan/dpa0111.cfm
