3 1 4 5 6 19 20 8 9 7 10 11 12 14 15 13 16 17 18 2 TECTONIC MAP SERIES of the WORLD 1 : 10 000 000 1985 denotes map is held in the map collection World Mapping Project Exxon Production Research Company 0º 60ºE 60ºW 90ºE 90ºW 180º 180º 60ºN 90ºN 0º 60ºS