T. L. Vallier

• Geology and offshore resources of Pacific island arcs--Tonga region
• Geology and offshore resources of Pacific island arcs--Tonga region
• Geologic guide to Hells Canyon, Snake River
• Geologic hazards in the Hells Canyon region of Idaho, Oregon, and Washington
• Islands & rapids
• Landslides in the Snake River Canyon along the Oregon and Idaho boundary
• The geology of part of the Snake River Canyon and adjacent areas in Northeastern Oregon and Western Idaho
• The Permian and Triassic Seven Devils Group, western Idaho and northeastern Oregon