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

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