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  1. Salem Limestone‏‎ (1 revision)
  2. Menard Limestone‏‎ (1 revision)
  3. Farmington Shale Member‏‎ (1 revision)
  4. Kinderhookian Series‏‎ (1 revision)
  5. Seahorne Limestone Member‏‎ (1 revision)
  6. Glossary‏‎ (1 revision)
  7. Valmeyeran Series‏‎ (1 revision)
  8. Rocher Member‏‎ (1 revision)
  9. Esmond Till Member‏‎ (1 revision)
  10. Genevievian Stage‏‎ (1 revision)
  11. Dolton Member‏‎ (1 revision)
  12. Yarmouth Soil‏‎ (1 revision)
  13. Derby-Doerun Member‏‎ (1 revision)
  14. De Graff Coal Member‏‎ (1 revision)
  15. Reisner Limestone Member‏‎ (1 revision)
  16. Hillery Till Member‏‎ (1 revision)
  17. Harmony Hill Shale Member‏‎ (1 revision)
  18. Opdyke Coal Member‏‎ (1 revision)
  19. Vandalia Till Member‏‎ (1 revision)
  20. Pliocene Series‏‎ (1 revision)
  21. Mammoth Cave Limestone Megagroup‏‎ (1 revision)
  22. Copperas Creek Sandstone Member‏‎ (1 revision)
  23. Bonpas Limestone Member‏‎ (1 revision)
  24. Wilhelmi Formation‏‎ (1 revision)
  25. Dresbachian Stage‏‎ (1 revision)
  26. Brereton Limestone Member‏‎ (1 revision)
  27. Hely Member‏‎ (1 revision)
  28. Mahomet Sand Member‏‎ (1 revision)
  29. Merom Sandstone Member‏‎ (1 revision)
  30. Grassy Creek Shale‏‎ (1 revision)
  31. Meppen Limestone‏‎ (1 revision)
  32. Delwood Coal Member‏‎ (1 revision)
  33. Joachim Dolomite‏‎ (1 revision)
  34. Elm Member‏‎ (1 revision)
  35. Wilcox Formation‏‎ (1 revision)
  36. Permian System‏‎ (1 revision)
  37. Afton Soil‏‎ (1 revision)
  38. Boles Member‏‎ (1 revision)
  39. Lee Center Till Member‏‎ (1 revision)
  40. Cahokia Alluvium‏‎ (1 revision)
  41. Wall Member‏‎ (1 revision)
  42. Mascoutah facies‏‎ (1 revision)
  43. Augusta Member‏‎ (1 revision)
  44. Mt. Carmel Sandstone Member‏‎ (1 revision)
  45. Cretaceous System‏‎ (1 revision)
  46. Castlewood Member‏‎ (1 revision)
  47. Charter Member‏‎ (1 revision)
  48. La Salle Limestone Member‏‎ (1 revision)
  49. Otis Member‏‎ (1 revision)
  50. Roxana Silt‏‎ (1 revision)
  51. Degonia Sandstone‏‎ (1 revision)
  52. Sample Sandstone Member‏‎ (1 revision)
  53. Lemont Formation‏‎ (1 revision)
  54. Starved Rock Sandstone Member‏‎ (1 revision)
  55. Flannigan Coal Member‏‎ (1 revision)
  56. Geneva Dolomite Member‏‎ (1 revision)
  57. New Glarus Member‏‎ (1 revision)
  58. Sonora Formation‏‎ (1 revision)
  59. Blodgett Member‏‎ (1 revision)
  60. Tyson Member‏‎ (1 revision)
  61. Waltersburg Formation‏‎ (1 revision)
  62. Lonsdale Limestone Member‏‎ (1 revision)
  63. Oneota Dolomite‏‎ (1 revision)
  64. Hazel Green Member‏‎ (1 revision)
  65. Quimbys Mill Formation‏‎ (1 revision)
  66. Dutch Creek Sandstone Member‏‎ (1 revision)
  67. Hulick Till Member‏‎ (1 revision)
  68. Mincke Member‏‎ (1 revision)
  69. Tonti Sandstone Member‏‎ (1 revision)
  70. Miocene Series‏‎ (1 revision)
  71. Kellerville Till Member‏‎ (1 revision)
  72. Kaskaskia Sequence‏‎ (1 revision)
  73. Farmdale Soil‏‎ (1 revision)
  74. Tripp Limestone Member‏‎ (1 revision)
  75. Canteen member‏‎ (1 revision)
  76. Seville Limestone Member‏‎ (1 revision)
  77. Carlinville Limestone Member‏‎ (1 revision)
  78. De Long Coal Member‏‎ (1 revision)
  79. Tygett Sandstone Member‏‎ (1 revision)
  80. Grassy Knob Chert‏‎ (1 revision)
  81. Kenyon Member‏‎ (1 revision)
  82. Glenhaven Member‏‎ (1 revision)
  83. Belgium Member‏‎ (1 revision)
  84. North Hill Group‏‎ (1 revision)
  85. Spring Grove Member‏‎ (1 revision)
  86. Sexton Creek Limestone‏‎ (1 revision)
  87. Blomeyer Member‏‎ (1 revision)
  88. New Richmond Sandstone‏‎ (1 revision)
  89. Mt. Rorah Coal Member‏‎ (1 revision)
  90. Dubuque Formation‏‎ (1 revision)
  91. Maysvillian Stage‏‎ (1 revision)
  92. McCraney Limestone‏‎ (1 revision)
  93. Defiance Member‏‎ (1 revision)
  94. Franconian Stage‏‎ (1 revision)
  95. Lierle Clay Member‏‎ (1 revision)
  96. Mifflin Formation‏‎ (1 revision)
  97. Kidd Member‏‎ (1 revision)
  98. Ironton Sandstone‏‎ (1 revision)
  99. Gordonville Member‏‎ (1 revision)
  100. Chouteau Limestone‏‎ (1 revision)
  101. Joppa Member‏‎ (1 revision)
  102. Triassic System‏‎ (1 revision)
  103. Buckhorn Member‏‎ (1 revision)
  104. Manitowoc Member‏‎ (1 revision)
  105. Thebes Sandstone Member‏‎ (1 revision)
  106. County Line (Alburnett) silt‏‎ (1 revision)
  107. Knobs Megagroup‏‎ (1 revision)
  108. Reel Limestone Member‏‎ (1 revision)
  109. Mounds Gravel‏‎ (1 revision)
  110. Danville Coal Member‏‎ (1 revision)
  111. Popcorn Sandstone Member‏‎ (1 revision)
  112. Banner Formation‏‎ (1 revision)
  113. Backbone Limestone‏‎ (1 revision)
  114. Athensville Coal Member‏‎ (1 revision)
  115. Batestown Member‏‎ (1 revision)
  116. Chapel Coal Member‏‎ (1 revision)
  117. Momence Sandstone Member‏‎ (1 revision)
  118. Tiskilwa Formation‏‎ (1 revision)
  119. Pope Megagroup‏‎ (1 revision)
  120. Birds Member‏‎ (1 revision)
  121. Medusa Member‏‎ (1 revision)
  122. Ogle Till Member‏‎ (1 revision)
  123. Oglesby Member‏‎ (1 revision)
  124. Alexandrian Series‏‎ (1 revision)
  125. Exline Limestone Member‏‎ (1 revision)
  126. Warsaw Shale‏‎ (1 revision)
  127. Cedar Bluff Limestone Group‏‎ (1 revision)
  128. Galesville Sandstone‏‎ (1 revision)
  129. Granger Sandstone Member‏‎ (1 revision)
  130. Knox Dolomite Megagroup‏‎ (1 revision)
  131. Virgilian Series‏‎ (1 revision)
  132. Everett Member‏‎ (1 revision)
  133. Platteville Group‏‎ (1 revision)
  134. Howardton Limestone Member‏‎ (1 revision)
  135. Jurassic System‏‎ (1 revision)
  136. Morton Tongue‏‎ (1 revision)
  137. Hombergian Stage‏‎ (1 revision)
  138. Chesterian Series‏‎ (1 revision)
  139. Forreston Member‏‎ (1 revision)
  140. Crowleys Ridge Silt‏‎ (1 revision)
  141. Vergennes Sandstone Member‏‎ (1 revision)
  142. Vienna Limestone‏‎ (1 revision)
  143. Mayfield Member‏‎ (1 revision)
  144. Gasperian Stage‏‎ (1 revision)
  145. Fox Valley Member‏‎ (1 revision)
  146. Henry Formation‏‎ (1 revision)
  147. Starrs Cave Limestone‏‎ (1 revision)
  148. Elmhurst Sandstone Member‏‎ (1 revision)
  149. Grove Church Shale‏‎ (1 revision)
  150. Lombard Dolomite Member‏‎ (1 revision)
  151. Pleasant Grove Soil‏‎ (1 revision)
  152. Hall Limestone Member‏‎ (1 revision)
  153. Anvil Rock Sandstone Member‏‎ (1 revision)
  154. Bilyeu Member‏‎ (1 revision)
  155. Rock Island Coal Member‏‎ (1 revision)
  156. Lacey Member‏‎ (1 revision)
  157. McLeansboro Group‏‎ (1 revision)
  158. Davis Member‏‎ (1 revision)
  159. Decorah Subgroup‏‎ (1 revision)
  160. Friendsville Coal Member‏‎ (1 revision)
  161. Pike Soil‏‎ (1 revision)
  162. Mosalem Formation‏‎ (1 revision)
  163. Creal Springs Limestone Member‏‎ (1 revision)
  164. Glenwood Formation‏‎ (1 revision)
  165. Gunter Sandstone‏‎ (1 revision)
  166. Niagaran Series‏‎ (1 revision)
  167. Eagle Point Member‏‎ (1 revision)
  168. Dunleith Formation‏‎ (1 revision)
  169. Jordan Sandstone‏‎ (1 revision)
  170. Beverly Tongue‏‎ (1 revision)
  171. Piasa Limestone‏‎ (1 revision)
  172. Wolf Creek Formation‏‎ (1 revision)
  173. Millersville Limestone Member‏‎ (1 revision)
  174. Rivoli Member‏‎ (1 revision)
  175. Allard Limestone Member‏‎ (1 revision)
  176. Glasford Formation‏‎ (1 revision)
  177. Orchard Creek Shale Member‏‎ (1 revision)
  178. Kiser Creek Member‏‎ (1 revision)
  179. Elwood Formation‏‎ (1 revision)
  180. Flat Creek Coal Member‏‎ (1 revision)
  181. Schweizer Member‏‎ (1 revision)
  182. Girardeau Limestone‏‎ (1 revision)
  183. Offerman Member‏‎ (1 revision)
  184. Nutwood Shale Member‏‎ (1 revision)
  185. Elviran Stage‏‎ (1 revision)
  186. Tar Springs Sandstone‏‎ (1 revision)
  187. Hennepin Member‏‎ (1 revision)
  188. Eau Claire Formation‏‎ (1 revision)
  189. Sugar Run Formation‏‎ (1 revision)
  190. Pope Creek Coal Member‏‎ (1 revision)
  191. Potosi Dolomite‏‎ (1 revision)
  192. Dement Member‏‎ (1 revision)
  193. Beecher Member‏‎ (1 revision)
  194. Loveland Silt‏‎ (1 revision)
  195. Moredock Member‏‎ (1 revision)
  196. Sinsinawa Member‏‎ (1 revision)
  197. Alburnett Formation‏‎ (1 revision)
  198. Victory Member‏‎ (1 revision)
  199. Clermont Shale Member‏‎ (1 revision)
  200. Wedron Group‏‎ (1 revision)
  201. Lovell Member‏‎ (1 revision)
  202. West Franklin Limestone Member‏‎ (1 revision)
  203. Chazyan Stage‏‎ (1 revision)
  204. Haeger Member‏‎ (1 revision)
  205. Potsdam Sandstone Megagroup‏‎ (1 revision)
  206. New Haven Coal Member‏‎ (1 revision)
  207. Fort Atkinson Limstone‏‎ (1 revision)
  208. Edenian Stage‏‎ (1 revision)
  209. Embayment Megagroup‏‎ (1 revision)
  210. Sweeney Formation‏‎ (1 revision)
  211. Cohn Coal Member‏‎ (1 revision)
  212. Clore Formation‏‎ (1 revision)
  213. Livingston Limestone Member‏‎ (1 revision)
  214. Morrowan Series‏‎ (1 revision)
  215. Loughridge Sandstone Member‏‎ (1 revision)
  216. Clear Creek Chert‏‎ (1 revision)
  217. Garnavillo Member‏‎ (1 revision)
  218. Meadow Loess Member‏‎ (1 revision)
  219. Saverton Shale‏‎ (1 revision)
  220. Little Bear Soil‏‎ (1 revision)
  221. Paleozoic Erathem‏‎ (1 revision)
  222. Cheltenham Clay Member‏‎ (1 revision)
  223. Golconda Group‏‎ (1 revision)
  224. Carboniferous System‏‎ (1 revision)
  225. Cedar Valley Limestone‏‎ (1 revision)
  226. Paleocene Series‏‎ (1 revision)
  227. Robein Member‏‎ (1 revision)
  228. Sherwood Member‏‎ (1 revision)
  229. Plano Silt Member‏‎ (1 revision)
  230. Effingham Limestone Member‏‎ (1 revision)
  231. Mississippian Subsystem‏‎ (1 revision)
  232. Cooper Limestone Member‏‎ (1 revision)
  233. Woodbury Limestone Member‏‎ (1 revision)
  234. Murphysboro Coal Member‏‎ (1 revision)
  235. Richmondian Stage‏‎ (1 revision)
  236. Jules Soil‏‎ (1 revision)
  237. Shelbyville Coal Member‏‎ (1 revision)
  238. Sterling Till Member‏‎ (1 revision)
  239. Scottville Limestone Member‏‎ (1 revision)
  240. Baylis Formation‏‎ (1 revision)
  241. Chana Member‏‎ (1 revision)
  242. Duncan Mills Member‏‎ (1 revision)
  243. Owl Creek Formation‏‎ (1 revision)
  244. Blanding Formation‏‎ (1 revision)
  245. Lacon Formation‏‎ (1 revision)
  246. Hunton Limestone Megagroup‏‎ (1 revision)
  247. Stillman Member‏‎ (1 revision)
  248. Nachusa Formation‏‎ (1 revision)
  249. Establishment Member‏‎ (1 revision)
  250. Toulon Member‏‎ (1 revision)
  251. Edgewood Formation‏‎ (1 revision)
  252. Sorento Limestone Member‏‎ (1 revision)
  253. Middle Devonian Series‏‎ (1 revision)
  254. Assumption Coal Member‏‎ (1 revision)
  255. Trempealeauan Stage‏‎ (1 revision)
  256. Maquoketa Shale Group‏‎ (1 revision)
  257. Kress Member‏‎ (1 revision)
  258. Oak formation‏‎ (1 revision)
  259. Piatt Member‏‎ (1 revision)
  260. Brandon Bridge Member‏‎ (1 revision)
  261. Lake Creek Coal Member‏‎ (1 revision)
  262. Lawson Shale Member‏‎ (1 revision)
  263. Gunn Member‏‎ (1 revision)
  264. St. James Member‏‎ (1 revision)
  265. Scottsburg Limestone Member‏‎ (1 revision)
  266. Silurian System‏‎ (1 revision)
  267. Conant Limestone Member‏‎ (1 revision)
  268. Galum Limestone Member‏‎ (1 revision)
  269. Beaver Bend Limestone Member‏‎ (1 revision)
  270. Prairie du Chien Group‏‎ (1 revision)
  271. Cora Limestone Member‏‎ (1 revision)
  272. Dutchtown Limestone‏‎ (1 revision)
  273. Arsenal Member‏‎ (1 revision)
  274. Desmoinesian Series‏‎ (1 revision)
  275. Reynoldsburg Coal Member‏‎ (1 revision)
  276. Radnor Till Member‏‎ (1 revision)
  277. Allenby Coal Member‏‎ (1 revision)
  278. Teneriffe Silt‏‎ (1 revision)
  279. Walnut Grove Limestone Member‏‎ (1 revision)
  280. Guttenberg Formation‏‎ (1 revision)
  281. Absaroka Sequence‏‎ (1 revision)
  282. Ramp Creek Limestone Member‏‎ (1 revision)
  283. Eldena Member‏‎ (1 revision)
  284. St. Peter Sandstone‏‎ (1 revision)
  285. Levias Limestone Member‏‎ (1 revision)
  286. Kankakee Formation‏‎ (1 revision)
  287. Sharpsboro Member‏‎ (1 revision)
  288. Racine Formation‏‎ (1 revision)
  289. Mortimer Member‏‎ (1 revision)
  290. West Lebanon Formation‏‎ (1 revision)
  291. Grigg tongue‏‎ (1 revision)
  292. Capron Till Member‏‎ (1 revision)
  293. Harmattan Till Member‏‎ (1 revision)
  294. Devonian System‏‎ (1 revision)
  295. Marywood Member‏‎ (1 revision)
  296. Glencoe Member‏‎ (1 revision)
  297. Crane Member‏‎ (1 revision)
  298. Pleistocene Series‏‎ (1 revision)
  299. State Pond Member‏‎ (1 revision)
  300. Pennsylvanian Subsystem‏‎ (1 revision)
  301. Blocher Shale‏‎ (1 revision)
  302. Glen Dean Limestone‏‎ (1 revision)
  303. Chalfin Member‏‎ (1 revision)
  304. Bond Formation‏‎ (1 revision)
  305. Troutman Member‏‎ (1 revision)
  306. Eminence Formation‏‎ (1 revision)
  307. Markgraf Member‏‎ (1 revision)
  308. McNairy Formation‏‎ (1 revision)
  309. Manley Coal Member‏‎ (1 revision)
  310. Proviso Siltstone Member‏‎ (1 revision)
  311. Lower Devonian Series‏‎ (1 revision)
  312. Greenup Limestone Member‏‎ (1 revision)
  313. Shakopee Dolomite‏‎ (1 revision)
  314. Argyle Till Member‏‎ (1 revision)
  315. Kenwood Member‏‎ (1 revision)
  316. Snider Till Member‏‎ (1 revision)
  317. Coralville Member‏‎ (1 revision)
  318. Everton Dolomite‏‎ (1 revision)
  319. Eocene Series‏‎ (1 revision)
  320. Solon Member‏‎ (1 revision)
  321. Rendleman Oolite Bed‏‎ (1 revision)
  322. Winslow Till Member‏‎ (1 revision)
  323. Fults Member‏‎ (1 revision)
  324. Yorkville Member‏‎ (1 revision)
  325. Curlew Limestone Member‏‎ (1 revision)
  326. Delavan Member‏‎ (1 revision)
  327. New London Member‏‎ (1 revision)
  328. Coggan Member‏‎ (1 revision)
  329. West Baden Group‏‎ (1 revision)
  330. Plattin Subgroup‏‎ (1 revision)
  331. Clement Member‏‎ (1 revision)
  332. Gimlet Sandstone Member‏‎ (1 revision)
  333. Sankoty Sand Member‏‎ (1 revision)
  334. Trentonian Stage‏‎ (1 revision)
  335. Harkness Silt Member‏‎ (1 revision)
  336. Abernathy Member‏‎ (1 revision)
  337. Pecatonica Formation‏‎ (1 revision)
  338. Sauk Sequence‏‎ (1 revision)
  339. Wapsipinicon Limestone‏‎ (1 revision)
  340. Petersburg Silt‏‎ (1 revision)
  341. Finnie Sandstone Member‏‎ (1 revision)
  342. Strawbridge Member‏‎ (1 revision)
  343. Hermon Coal Member‏‎ (1 revision)
  344. Daysville Dolomite Member‏‎ (1 revision)
  345. Gulfian Series‏‎ (1 revision)
  346. Two Rivers Member‏‎ (1 revision)
  347. Ancell Group‏‎ (1 revision)
  348. Willis Coal Member‏‎ (1 revision)
  349. Pond Creek Coal Member‏‎ (1 revision)
  350. Porters Creek Formation‏‎ (1 revision)
  351. Gila Limestone Member‏‎ (1 revision)
  352. Kewaunee Formation‏‎ (1 revision)
  353. Tertiary System‏‎ (1 revision)
  354. Noix Oolite Member‏‎ (1 revision)
  355. Cenozoic Erathem‏‎ (1 revision)
  356. Inglefield Sandstone Member‏‎ (1 revision)
  357. Prospect Hill Siltstone‏‎ (1 revision)
  358. Coffeen Limestone Member‏‎ (1 revision)
  359. Cayugan Series‏‎ (1 revision)
  360. Stonefort Limestone Member‏‎ (1 revision)
  361. Kinkaid Limestone‏‎ (1 revision)
  362. Murray Bluff Sandstone Member‏‎ (1 revision)
  363. Walgreen Member‏‎ (1 revision)
  364. St. Clair Limestone‏‎ (1 revision)
  365. Blackriveran Stage‏‎ (1 revision)
  366. Franconia Formation‏‎ (1 revision)
  367. Louisiana Limestone‏‎ (1 revision)
  368. Metz Member‏‎ (1 revision)
  369. Bernadotte Sandstone Member‏‎ (1 revision)
  370. Bankston Fork Limestone Member‏‎ (1 revision)
  371. Montrose Chert Member‏‎ (1 revision)
  372. Metropolis Formation‏‎ (1 revision)
  373. Shorewood Member‏‎ (1 revision)
  374. Brainard Shale‏‎ (1 revision)
  375. Hegeler Till Member‏‎ (1 revision)
  376. Sangamon Soil‏‎ (1 revision)
  377. Negli Creek Limestone Member‏‎ (1 revision)
  378. Buelter Member‏‎ (1 revision)
  379. Ordovician System‏‎ (1 revision)
  380. Croixan Series‏‎ (1 revision)
  381. Rock Branch Coal Member‏‎ (1 revision)
  382. Rapid Member‏‎ (1 revision)
  383. Calhoun Coal Member‏‎ (1 revision)
  384. Walche Limestone Member‏‎ (1 revision)
  385. Womac Coal Member‏‎ (1 revision)
  386. Mesozoic Erathem‏‎ (1 revision)
  387. Reelsville Limestone Member‏‎ (1 revision)
  388. Kings Lake Formation‏‎ (1 revision)
  389. Shoal Creek Limestone Member‏‎ (1 revision)
  390. Hardinsburg Sandstone‏‎ (1 revision)
  391. Tippecanoe Sequence‏‎ (1 revision)
  392. Sweetland Creek Shale‏‎ (1 revision)
  393. Tete de Morts Formation‏‎ (1 revision)
  394. Babylon Sandstone Member‏‎ (1 revision)
  395. Pearl Formation‏‎ (1 revision)
  396. Wise Lake Formation‏‎ (1 revision)
  397. McClearys Bluff Coal Member‏‎ (1 revision)
  398. Brush Coal Member‏‎ (1 revision)
  399. Markham Silt Member‏‎ (1 revision)
  400. Briton Member‏‎ (1 revision)
  401. Little Vermilion Limestone Member‏‎ (2 revisions)
  402. Cypress Sandstone‏‎ (2 revisions)
  403. Yankeetown Sandstone‏‎ (2 revisions)
  404. Mackinaw Member‏‎ (2 revisions)
  405. Trowbridge Coal Member‏‎ (2 revisions)
  406. Lake Michigan Member‏‎ (2 revisions)
  407. Kimmswick Subgroup‏‎ (2 revisions)
  408. Ullin Limestone‏‎ (2 revisions)
  409. Downeys Bluff Limestone‏‎ (2 revisions)
  410. New Albany Shale Group‏‎ (2 revisions)
  411. Lake Michigan Formation‏‎ (2 revisions)
  412. Winnetka Member‏‎ (2 revisions)
  413. Glen Park Formation‏‎ (2 revisions)
  414. Waukegan Member‏‎ (2 revisions)
  415. Fredonia Limestone Member‏‎ (2 revisions)
  416. Peoria Silt‏‎ (2 revisions)
  417. Sheboygan Member‏‎ (2 revisions)
  418. Spar Mountain Sandstone Member‏‎ (2 revisions)
  419. Ridenhower Formation‏‎ (2 revisions)
  420. South Haven Member‏‎ (2 revisions)
  421. Galena Group‏‎ (2 revisions)
  422. Lake Forest Member‏‎ (2 revisions)
  423. Bailey Limestone‏‎ (2 revisions)
  424. St. Laurent Formation‏‎ (2 revisions)
  425. Wilmette Bed‏‎ (2 revisions)
  426. Ashmore Tongue‏‎ (2 revisions)
  427. Renault Limestone‏‎ (2 revisions)
  428. Ravinia Sand Member‏‎ (2 revisions)
  429. Peddicord Tongue‏‎ (2 revisions)
  430. St. Louis Limestone‏‎ (2 revisions)
  431. Aux Vases Sandstone‏‎ (2 revisions)
  432. Grand Tower Limestone‏‎ (2 revisions)
  433. Tuscaloosa Formation‏‎ (2 revisions)
  434. Bethel Sandstone‏‎ (2 revisions)
  435. Borden Siltstone‏‎ (2 revisions)
  436. Karnak Limestone Member‏‎ (2 revisions)
  437. Holocene Series‏‎ (2 revisions)
  438. Haney Limestone‏‎ (2 revisions)
  439. Moccasin Springs Formation‏‎ (2 revisions)
  440. Parkland Sand‏‎ (2 revisions)
  441. Kewanee Group‏‎ (2 revisions)
  442. Richland Loess‏‎ (2 revisions)
  443. Quaternary System‏‎ (3 revisions)
  444. Briar Hill Coal Member‏‎ (3 revisions)
  445. Energy Shale Member‏‎ (3 revisions)
  446. Lowell Coal Member‏‎ (3 revisions)
  447. Turner Mine Shale Member‏‎ (3 revisions)
  448. Mecca Quarry Shale Member‏‎ (3 revisions)
  449. Big Clifty Sandstone Member‏‎ (3 revisions)
  450. Anna Shale Member‏‎ (3 revisions)
  451. Fraileys Shale‏‎ (3 revisions)
  452. Alum Cave Limestone Member‏‎ (3 revisions)
  453. Wheeler Coal Member or Bed‏‎ (3 revisions)
  454. Excello Shale Member‏‎ (3 revisions)
  455. Oligocene Series‏‎ (3 revisions)
  456. Canton Shale Member‏‎ (3 revisions)
  457. Walshville Member‏‎ (3 revisions)
  458. Summum Coal Member‏‎ (3 revisions)
  459. O'Nan Coal Member‏‎ (3 revisions)
  460. Lingle Formation‏‎ (3 revisions)
  461. St. David Limestone Member‏‎ (3 revisions)
  462. Stendal Limestone Member‏‎ (3 revisions)
  463. Breezy Hill Limestone Member‏‎ (3 revisions)
  464. Vermilionville Sandstone Member‏‎ (3 revisions)
  465. Stewartville Member‏‎ (3 revisions)
  466. Galatia Channel:Peat Developed at Lowstand‏‎ (3 revisions)
  467. Bevier Coal Member or Bed‏‎ (3 revisions)
  468. Beech Creek Limestone‏‎ (3 revisions)
  469. Antioch Limestone Member‏‎ (3 revisions)
  470. Shawneetown Coal Member‏‎ (3 revisions)
  471. Oak Grove Limestone Member‏‎ (3 revisions)
  472. Jake Creek Sandstone Member‏‎ (3 revisions)
  473. Big Creek Shale Member‏‎ (4 revisions)
  474. Galatia Member‏‎ (4 revisions)
  475. Abbott Formation‏‎ (4 revisions)
  476. Ste. Genevieve Limestone‏‎ (4 revisions)
  477. Houchin Creek Coal Member‏‎ (4 revisions)
  478. Roodhouse coal bed‏‎ (4 revisions)
  479. Cave Hill Shale Member‏‎ (4 revisions)
  480. Modern Soil‏‎ (4 revisions)
  481. Spoon Formation‏‎ (4 revisions)
  482. Isabel Sandstone Member‏‎ (4 revisions)
  483. Lagonda Member‏‎ (4 revisions)
  484. Equality Formation‏‎ (4 revisions)
  485. Percy Limestone Member‏‎ (4 revisions)
  486. Palzo Sandstone Member‏‎ (4 revisions)
  487. Precambrian Erathem‏‎ (4 revisions)
  488. Galatia Channel:Relationship of Effingham and Galatia Channels‏‎ (4 revisions)
  489. Carmi Member‏‎ (4 revisions)
  490. Unnamed gray shale member - Carbondale Formation‏‎ (4 revisions)
  491. Browning Sandstone Member‏‎ (4 revisions)
  492. Greenbush Coal Member‏‎ (5 revisions)
  493. Purington Shale Member‏‎ (5 revisions)
  494. Galatia Channel:Colchester Coal and Francis Creek Shale‏‎ (5 revisions)
  495. Galatia Channel:Rapid Transgression, Gradual Regression‏‎ (5 revisions)
  496. Herrin Coal Member‏‎ (5 revisions)
  497. Omphghent member‏‎ (5 revisions)
  498. Hanover Limestone Member‏‎ (5 revisions)
  499. Velpen Limestone Member‏‎ (5 revisions)
  500. 0000‏‎ (5 revisions)

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