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

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