AAPG Memoir 66 – Chapter 18 Surface Geochemical Exploration for Petroleum AAPG Memoir 66 - Chapter 18 Surface Geochemical Exploration for Petroleum Version Download 134 File Size 2.00 MB File Count 1 Create Date March 30, 2016 Last Updated March 31, 2016 AAPG Memoir 66 - Chapter 18 Surface Geochemical Exploration for Petroleum