Mastodon-bearing Springs and Late Quaternary Geochronology of the Lower Pomme de Terre Valley, Missouri: Issue 204

The Geology and Geochemistry of Cenozoic Topaz Rhyolites from the Western United States

Relative Motions Between Oceanic and Continental Plates in the Pacific Basin: Issue 206

The Cretaceous-Tertiary Boundary in the San Juan and Raton Basins, New Mexico and Colorado: Issue 209

Paleoenvironmental and Tectonic Controls in Coal-forming Basins of the United States

The Emplacement of Silicic Domes and Lava Flows: Issue 212

A Survey of Cenozoic Volcanism on Mainland Asia

Mantle Metasomatism and Alkaline Magmatism: Issue 215

Paleosols and weathering through geologic time: principles and applications

Processes in Continental Lithospheric Deformation: Issue 218

Laccoliths: Mechanics of Emplacement and Growth, Issue 220

The Late Cretaceous San Juan Thrust System, San Juan Islands, Washington: Issue 221

The Jurassic Ammonite Zones of the Soviet Union: Issue 223