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Collection
- Contributions to stratigraphy2
- Evolution of sedimentary basins--San Juan Basin2
- Fact sheet2
- Geological Survey professional paper2
- Paleontología mexicana2
- U.S. Geological Survey bulletin2
- Geological Survey bulletin1
- Geological Survey bulletin 1394-E1
- Jurassic (Tithonian) and Cretaceous Buchia zones in northwestern California and southwestern Oregon1