Assessment of continuous oil and gas resources of the Putumayo-Oriente-Marañón Basin Province of Colombia, Ecuador, and Perú, 2018 - Schenk, Christopher; Mercier, Tracey; Pitman, Janet; Finn, Thomas; Le, Phuong; Gaswirth, Stephanie; Marra, Kristen; Leathers-Miller, Heidi (Fact Sheet, 2018)