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

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