Walter H. Pierce

geology database sudan south nile oil gas exploration sudd drc digoil residual startexp gravity congo query jurassic isopach permian cretaceous arabian precambrian paleogene geologic cambrian devonian carboniferous neogene plate history infracambrian ordovician cenozoic restart failing problem_finding problem_solving oil gas scientific_method exploration creativity quotations problem_observation desire problem_recognition problem_definition preparation synthesis judgement investigation hypothesis_formation fear/risk_adversive blockbusting eureka_moment muddle testing_verification obvious_now utilization