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

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