| link
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From
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To
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Geolocation
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Author - title
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Year
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|---|---|---|---|---|---|
| details | Navarroan | Kentucky | Hower,J.C. et al. Cretaceous and Eocene Lignite deposits, Jackson Purchase, Kentucky. | 1990 | |
| details | Paleocene | Louisiana | Doney,H.H. Recent and Current research on Wilcox Lignite in northern Louisiana | 1986 | |
| details | Eocene | Wyoming | Santucci,V.L. The Yellowstone Paleontological Survey. | 1998 |