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| Geology--Oklahoma--Mayes County (3) |
| Geology--Oklahoma--Rogers County (3) |
| Geology, Stratigraphic (1) |
| Geology--Oklahoma--Craig County (1) |
| Geology--Oklahoma--Nowata County (1) |
| Geology--Oklahoma--Mayes County (3) |
| Geology--Oklahoma--Rogers County (3) |
| Geology, Stratigraphic (1) |
| Geology--Oklahoma--Craig County (1) |
| Geology--Oklahoma--Nowata County (1) |