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2. The Carboniferous formations and faunas of Colorado
3. The Carboniferous formations and faunas of Colorado,
4. The Catahoula sandstone
5. Characteristic marine Jurassic fossils from the western interior of the United States
6. Characteristic marine Jurassic fossils from the western interior of the United States
7. A comparison of paleozoic sections in southern New Mexico
8. A comparison of paleozoic sections in southern New Mexico
9. A contribution to the geology of northeastern Texas and southern Oklahoma
10. A contribution to the geology of northeastern Texas and southern Oklahoma
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