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

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