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

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