Complex sentence: From 1986 to 1992, Litherland was Team Leader of the Cordillera Real Geological Research Project in Ecuador, mapping the eastern Andean cordillera along a series of difficult traverses and discovering many "un-Andean" geological features.
Split into simpler sentences: From 1986 to 1992, Litherland was Team Leader of the Cordillera Real Geological Research Project in Ecuador. The Project mapped the eastern Andean cordillera along a series of difficult traverses and discovering many "un-Andean" geological features.