M. L Tuttle

• Environmental issues associated with fossil fuel resources
• Molecular stratigraphy of the Devonian Domanik Formation, Timan-Pechora Basin, Russia
• Natural hazards associated with Lake Kivu and adjoining areas of the Birunga volcanic field, Rwanda and Zaire, central Africa
• Sulfur compound, organic-carbon, carbonate-carbon, iron, and mineral composition data on samples from the Green River Formation, Wyoming, Colorado and Utah
• The Niger Delta petroleum system
• U.S. Geological Survey studies of energy resources in Sub-Saharan Africa