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27 April 2016
- 16:4116:41, 27 April 2016 diff hist +38 m 1760 Text replacement - "(Bulletin 95)" to "" current
- 16:4116:41, 27 April 2016 diff hist +32 m 4500 Text replacement - "(Bulletin 95)" to "" current
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- 16:3916:39, 27 April 2016 diff hist +32 m 5390 Text replacement - "(Bulletin 95)" to "" current
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22 April 2016
- 20:1120:11, 22 April 2016 diff hist +40 File:94-tb 6-a.jpg No edit summary current
- 20:0820:08, 22 April 2016 diff hist +27 File:94-tb 6-m.jpg No edit summary current
- 19:5319:53, 22 April 2016 diff hist +46 File:94-tb 6-l.jpg No edit summary current
- 19:5119:51, 22 April 2016 diff hist +68 File:94-tb 6-k.jpg No edit summary current
- 19:4919:49, 22 April 2016 diff hist +49 File:94-tb 6-j.jpg No edit summary current
- 19:4819:48, 22 April 2016 diff hist +67 File:94-tb 6-i.jpg No edit summary current
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- 19:4619:46, 22 April 2016 diff hist +81 File:94-tb 6-g.jpg No edit summary current
- 19:4419:44, 22 April 2016 diff hist +76 File:94-tb 6-f.jpg No edit summary current
- 19:4319:43, 22 April 2016 diff hist +68 File:94-tb 6-e.jpg No edit summary current
- 19:4219:42, 22 April 2016 diff hist +64 File:94-tb 6-d.jpg No edit summary current
- 19:4119:41, 22 April 2016 diff hist +51 File:94-tb 6-c.jpg No edit summary current
- 19:3919:39, 22 April 2016 diff hist +44 File:94-tb 6-b.jpg No edit summary current
- 19:0419:04, 22 April 2016 diff hist +266 File:Figure Q-1F.jpg No edit summary current
11 April 2016
- 20:2020:20, 11 April 2016 diff hist 0 Glossary Blanked the page current
7 April 2016
- 14:1114:11, 7 April 2016 diff hist +91 File:Figure P-7.jpg No edit summary current
6 April 2016
- 20:2620:26, 6 April 2016 diff hist +51 File:Figure C-8.jpg No edit summary current
- 20:2620:26, 6 April 2016 diff hist +61 File:Figure C-9.jpg No edit summary current
- 20:2620:26, 6 April 2016 diff hist +50 File:Figure C-6.jpg No edit summary current
- 20:2420:24, 6 April 2016 diff hist +51 File:Figure C-11.jpg No edit summary current
- 20:2420:24, 6 April 2016 diff hist +65 File:Figure C-10.jpg No edit summary current
- 20:2320:23, 6 April 2016 diff hist +47 File:Figure C-12.jpg No edit summary current
- 20:2220:22, 6 April 2016 diff hist +54 File:Figure C-7.jpg No edit summary current
- 20:2120:21, 6 April 2016 diff hist +50 File:Figure C-13.jpg No edit summary current
- 20:1920:19, 6 April 2016 diff hist +111 File:Figure C-1D.jpg No edit summary current
- 20:1920:19, 6 April 2016 diff hist +154 File:Figure C-1C.jpg No edit summary current
- 20:1820:18, 6 April 2016 diff hist +221 File:Figure C-1B.jpg No edit summary current
- 20:1820:18, 6 April 2016 diff hist +91 File:Figure C-1A.jpg No edit summary current
- 20:1820:18, 6 April 2016 diff hist +92 File:Figure C-2.jpg No edit summary current
- 20:1820:18, 6 April 2016 diff hist +106 File:Figure C-4.jpg No edit summary current
- 20:1720:17, 6 April 2016 diff hist +70 File:Figure C-5.jpg No edit summary current
5 April 2016
- 16:2416:24, 5 April 2016 diff hist +302 File:Figure Q-1C.jpg ILSTRAT uploaded a new version of File:Figure Q-1C.jpg current
- 16:1216:12, 5 April 2016 diff hist +372 File:Figure Q-1B.jpg No edit summary current
- 16:0416:04, 5 April 2016 diff hist +345 File:Figure Q-1A.jpg No edit summary current
- 13:2213:22, 5 April 2016 diff hist +201 N File:Figure S-2F.jpg Fig. S-2F -- Dense, argillaceous dolomite containing chert nodules characteristic of Racine interreef facies in the Chicago area. The outer, porous parts of the nodules are blackened by air pollutants. current
- 13:1613:16, 5 April 2016 diff hist +107 N File:Figure S-2E.jpg Fig. S-2E -- Mottled, porous, pure dolomite characteristic of Racine reef facies in the Chicago area (x 1). current
- 13:1613:16, 5 April 2016 diff hist +160 N File:Figure S-2D.jpg Fig. S-2D -- Massive Tete des Morts Formation overlying the Mosalem Formation at the top of Silurian escarpment, 4 miles southeast of Galena, Jo Daviess County. current
- 13:1513:15, 5 April 2016 diff hist +90 N File:Figure S-2C.jpg Fig. S-2C -- Massive Marcus Dolomite in a quarry 3 miles east of Fulton, Whiteside County. current
- 13:1413:14, 5 April 2016 diff hist +166 N File:Figure S-2B.jpg Fig. S-2B -- Steeply dipping, well bedded dolomite forming the fiank of a Racine (Niagaran) reef, in the Material Service Corporation quarry at Thornton, Cook County. current
- 13:1413:14, 5 April 2016 diff hist +176 N File:Figure S-2A.jpg Fig. S-2A -- Massive dolomite in the core of a Racine (Niagaran) reef, at the top of the Material Service Corporation (Stearns) quarry on Archer Avenue at 28th Street, Chicago. current
- 13:1113:11, 5 April 2016 diff hist +273 N File:Figure Q-1E.jpg Fig. Q-1E -- Wisconsinan Roxana Silt (R), Sangamon Soil developed in the Illinoian Loveland Silt (SL) and Yarmouth Soil developed in till of the Kansan Banner Formation (YB); in a roadcut at Independence, 5 miles south of Pittsfield, Pike County (Frye... current
- 13:1013:10, 5 April 2016 diff hist +213 N File:Figure Q-1D.jpg Fig. Q-1D -- Illinoian Glasford Formation (Hagarstown Member) showing steeply dipping sand and gravel (crevasse deposit) in a mound in the Kaskaskia Ridged Drift area, 2 miles southwest of Lakewood, Shelby County. current
4 April 2016
- 20:2220:22, 4 April 2016 diff hist +165 N File:Figure O-2F.jpg Fig. O-2F -- Thin-bedded dolomite of the Quimbys Mill Formation overlying massive dolomite of the Nachusa Formation in a quarry on River Street in Dixon, Lee County. current
- 20:2120:21, 4 April 2016 diff hist +136 N File:Figure O-2E.jpg Fig. O-2E -- Massice Oneota Dolomite containing a large algal growth; in a quarry in Lee County, 6 Miles south of Rochelle, Ogle County. current
- 20:1920:19, 4 April 2016 diff hist +286 N File:Figure O-2D.jpg Fig. O-2D -- Relatively thin-bedded Platteville Limestone Group showing the Nashusa (N), Grand Detour (GD), and Mifflin (M) Formations overlying the thick-bedded Joachim Dolomite (J) in a quarry at West Point Landing, Calhoun County (Templeton and Will... current
- 20:1720:17, 4 April 2016 diff hist +198 N File:Figure O-2C.jpg Fig. O-2C -- Massive Wise Lake Formation overlying the thinner bedded Dunleith Formation, which contains lenses and beds of white chert, in a quarry on the south side of Freeport, Stephenson County. current
- 20:1420:14, 4 April 2016 diff hist +288 N File:Figure O-2B.jpg Fig. O-2B -- Type section of Dunleith Formation showing the Mortime (Mo), Rivoli (Ri), Sherwood (Sh), Wall (Wa) and Wyota (Wy) Members overlain by the Sinsinawa Member (Si) of the Wise Lake Formation at East Dubuque, Jo Daviess County (Templeton and Wi... current
- 18:5518:55, 4 April 2016 diff hist +105 N File:Figure M-1F.jpg Fig. M-1F -- Grannular texture of the Ullin Limestone along Mill Creek, south of Anna, Union County (x1). current
- 18:5418:54, 4 April 2016 diff hist +89 N File:Figure M-1E.jpg Fig. M-1E -- Oolitic texture of the Ste. Genevieve Limestone at Anna, Union County (x10). current
- 18:5218:52, 4 April 2016 diff hist +183 N File:Figure M-1D.jpg Fig. M-1D -- Well bedded St. Louis Limestone with cave in its base overlying massive Salem Limestone in Mississippi River bluff a mile northwest of Prairie du Rocher, Randolph County. current
- 18:5018:50, 4 April 2016 diff hist +267 N File:Figure M-1C.jpg Fig. M-1C -- Kinkaid Limestone showing clay-filled solution cavity in the Goreville Member at the top overlying a layer of shale with red bed (black) at the tope of the Cave Hill Member; in Southern Illinois Limestone Company quarry north of Buncombe,... current
- 18:4718:47, 4 April 2016 diff hist +179 File:Figure M-1B.jpg No edit summary current
- 18:4418:44, 4 April 2016 diff hist +186 N File:Figure M-1A.jpg Fig. M-1A -- Vienna Limestone overlying the sheet facies of the Tar Springs Sandstone in roadcut (about 40 feet high) of Illinois Highway 3 on southeast side of Chester, Randolph County. current
- 18:3818:38, 4 April 2016 diff hist +79 N File:Figure K-1C.jpg Fig. K-1C -- Bedding surface of Mounds Gravel in same pit as exposure B (x1.5). current
- 18:3718:37, 4 April 2016 diff hist +105 N File:Figure K-1B.jpg Fig. K-1B -- Mounds Gravel in pit along Illinois Highway 145, 8 miles north of Metropolis, Massac County. current
- 18:3518:35, 4 April 2016 diff hist +67 N File:Figure K-1A.jpg Fig. K-1A -- McNairy Sand in a pit near Fayville, Alexander County. current
- 18:3318:33, 4 April 2016 diff hist +159 N File:Figure D-3E.jpg Fig. D-3E -- Dark gray, fine-grained Middle Devovian limestone containing white corals; polished section of core from depth of 3270 feet in Marion County (x1). current
- 18:3118:31, 4 April 2016 diff hist +141 N File:Figure D-3D.jpg Fig. D-3D -- Fine-grained, fossiliferous limestone characteristic of Cedar Valley Limestone in the Rock Island area, Rock Island County (x1). current
- 18:2918:29, 4 April 2016 diff hist +180 File:Figure D-3C.jpg ILSTRAT uploaded a new version of File:Figure D-3C.jpg current
- 18:2218:22, 4 April 2016 diff hist +113 N File:Figure D-3B.jpg Fig. D-3B -- Bailey Limestone in Pine Hills (Mississippi River bluffs), 5 miles north of Wolf Lake, Union County. current
- 18:2118:21, 4 April 2016 diff hist +188 N File:Figure D-3A.jpg Fig. D-3A -- Middle Devonian Limestone (Lingle and Grand Tower) in ridge ("the Backbone") along the Mississippi River north of Grand Tower, Jackson County (from Worthen, 1868, opp. p. 61). current
- 18:0918:09, 4 April 2016 diff hist +147 N File:Table 3.jpg Table 3 -- Alphabetic list of named cyclothems in Illinois, showing formation, distribution, and principal references (after Kosanke et al., 1960). current
- 18:0718:07, 4 April 2016 diff hist +64 N File:Table 2.jpg Table 2 -- Illinois Mineral Production in 1972 (Malhotra, 1974). current
- 18:0618:06, 4 April 2016 diff hist +54 N File:Table 1.jpg Table 1 -- Source Rocks of Illinois Mineral Resources. current
- 18:0518:05, 4 April 2016 diff hist +50 N File:Figure T-2.jpg Fig. T-2 -- Classification of the Tertiary System. current
- 18:0418:04, 4 April 2016 diff hist +58 N File:Figure T-1.jpg Fig. T-1 -- Distribution of the Mounds and Grover Gravels. current
- 18:0218:02, 4 April 2016 diff hist +49 N File:Figure S-16.jpg Fig. S-16 -- Electric log of the Silurian System. current
- 17:5917:59, 4 April 2016 diff hist +49 N File:Figure S-14.jpg Fig. S-14 -- Thickness of the Alexandrian Series. current
- 17:5817:58, 4 April 2016 diff hist +91 N File:Figure S-13.jpg Fig. S-13 -- Thickness of the Hunton Limestone Megagroup (modified from Bond et al., 1971). current
- 17:5717:57, 4 April 2016 diff hist +38 N File:Figure S-12.jpg Fig. S-12 -- Typical Silurian fossils. current
- 17:5617:56, 4 April 2016 diff hist +62 N File:Figure S-11.jpg Fig. S-11 -- North-south cross section of the Silurian System. current
- 17:5617:56, 4 April 2016 diff hist +91 N File:Figure S-10.jpg Fig. S-10 -- Development of the classification of the Silurian System in southern Illinois. current
- 17:5517:55, 4 April 2016 diff hist +89 N File:Figure S-9.jpg Fig. S-9 -- Development of the classification of the Silurian System in western Illinois. current
- 17:5417:54, 4 April 2016 diff hist +94 N File:Figure S-8.jpg Fig. S-8 -- Development of the classification of the Silurian System in northwestern Illinois. current
- 17:5317:53, 4 April 2016 diff hist +94 N File:Figure S-7.jpg Fig. S-7 -- Development of the classification of the Silurian System in northeastern Illinois. current
- 17:5217:52, 4 April 2016 diff hist +69 N File:Figure S-6.jpg Fig. S-6 -- Columnar section of Silurian System in southern Illinois. current
- 17:1117:11, 4 April 2016 diff hist +72 N File:Figure S-5.jpg Fig. S-5 -- Columnar section of the Silurian System in western Illinois. current
- 17:0317:03, 4 April 2016 diff hist +77 N File:Figure S-4.jpg Fig. S-4 -- Columnar section of the Silurian System in northwestern Illinois. current
- 17:0317:03, 4 April 2016 diff hist +73 N File:Figure S-3.jpg Fig. S-3 -- Columnar section of Silurian System in northeastern Illinois. current
- 17:0217:02, 4 April 2016 diff hist +121 N File:Figure S-1.jpg Fig. S-1 -- Silurian System thickness, outcroup areas, nomenclature boundary, and reef in the Moccasin Springs Formation. current
- 16:0016:00, 4 April 2016 diff hist +79 File:Figure Q-10.jpg ILSTRAT uploaded a new version of File:Figure Q-10.jpg current
- 15:5815:58, 4 April 2016 diff hist +80 N File:Figure Q-9.jpg Fig. Q-9 -- Woodfordian lobes and sublobes in Illinois (Willman and Frye, 1970). current
- 15:5615:56, 4 April 2016 diff hist +168 N File:Figure Q-8.jpg Fig. Q-8 -- Diagrammatic cross section showing the relations of the formations and members of Wisconsinan age in northern and western Illinois (Willman and Frye, 1970). current
- 15:5515:55, 4 April 2016 diff hist +165 N File:Figure Q-7.jpg Fig. Q-7 -- Diagrammatic cross section showing the relations of the formations and members of Illinoian age in central and western Illinois (Willman and Frye, 1970). current
- 15:5315:53, 4 April 2016 diff hist +79 N File:Figure Q-6.jpg Fig. Q-6 -- Development of classification of the Wisconsinan Stage in Illinois. current
- 15:5315:53, 4 April 2016 diff hist +142 N File:Figure Q-5.jpg Fig. Q-5 -- Areal distribution of the dominantly till formations and members of Illinois (after Willman and Frye, 1970; Johnson et al., 1972). current
- 15:5115:51, 4 April 2016 diff hist +53 N File:Figure Q-4.jpg Fig. Q-4 -- Classification of the Pleistocene Series. current
- 15:4215:42, 4 April 2016 diff hist +132 N File:Figure Q-3.jpg Fig. Q-3 -- Generalized thickness of the Quaternary deposits of Illinois (after Piskin and Bergstrom, 1967; Willman and Frye, 1970). current
- 15:4115:41, 4 April 2016 diff hist +67 N File:Figure Q-2.jpg Fig. Q-2 -- Glacial map of Illinois (after Willman and Frye, 1970). current
- 15:1415:14, 4 April 2016 diff hist +58 N File:Figure Pc-1.jpg Fig. Pc-1 -- Structure on top of the Precambrian basement. current
- 15:1315:13, 4 April 2016 diff hist +74 N File:Figure O-27.jpg Fig. O-27 -- Development of the classification of the Cincinnatian Series. current
- 15:1115:11, 4 April 2016 diff hist +45 N File:Figure O-26.jpg Fig O-26 -- Thickness of the Maquoketa Group. current
- 15:0515:05, 4 April 2016 diff hist +93 N File:Figure O-25.jpg Fig. O-25 -- Columnar section of the Cincinnatian Series (after Templeton and Willman, 1963). current
- 15:0415:04, 4 April 2016 diff hist +150 N File:Figure O-24.jpg Fig. O-24 -- Diagrammatic cross section of the Galena Group showing the principal faunal zones and bentonite beds (after Templeton and Willman, 1963). current
- 15:0315:03, 4 April 2016 diff hist +116 N File:Figure O-23.jpg Fig. O-23 -- Diagrammatic cross section showing the facies in the Galena Group. (after Templeton and Willman, 1963). current
- 15:0215:02, 4 April 2016 diff hist +86 N File:Figure O-22.jpg Fig. O-22 -- Columnar section of the Galena Group (after Templeton and Willman, 1963). current
- 15:0115:01, 4 April 2016 diff hist +43 N File:Figure O-21.jpg Fig. O-21 -- Thickness of the Galena Group. current
- 14:5914:59, 4 April 2016 diff hist +48 N File:Figure O-19.jpg Fig. O-19 -- Thickness of the Platteville Group. current
- 14:5814:58, 4 April 2016 diff hist +183 N File:Figure O-18.jpg Fig. O-18 -- Thickness of the Dutchtown Limestone and Joachim Dolomite and the distribution of the Starved Rock Sandstone Member of the St. Peter Sandstone and the Glenwood Formation. current
- 14:5614:56, 4 April 2016 diff hist +50 N File:Figure O-17.jpg Fig. O-17 -- Thickness of the St. Peter Sandstone. current
- 14:5614:56, 4 April 2016 diff hist +96 N File:Figure O-16.jpg Fig. O-16 -- Diagrammatic cross section of the Ancell Group (after Templeton and Willman, 1963). current
- 14:5514:55, 4 April 2016 diff hist +86 N File:Figure O-15.jpg Fig. O-15 -- Columnar section of the Ancell Group (after Templeton and Willman, 1963). current
- 14:5414:54, 4 April 2016 diff hist +57 N File:Figure O-14.jpg Fig. O-14 -- Thickness of the Ottawa Limestone Megagroup. current
- 14:5314:53, 4 April 2016 diff hist +76 N File:Figure O-13.jpg Fig. O-13 -- Geologic map of the sub-St. Peter surface in northern Illinois. current
- 14:5214:52, 4 April 2016 diff hist +74 N File:Figure O-12.jpg Fig. O-12 -- Development of the classification of the Champlainian Series. current
- 14:5114:51, 4 April 2016 diff hist +48 N File:Figure O-11.jpg Fig. O-11 -- Thickness of the Shakoppe Dolomite. current
- 14:5114:51, 4 April 2016 diff hist +53 N File:Figure O-10.jpg Fig. O-10 -- Thickness of the New Richmond Sandstone. current
- 14:5014:50, 4 April 2016 diff hist +70 N File:Figure O-9.jpg Fig. O-9 -- Thickness of the Oneota Dolomite and the Gunter Sandstone. current
- 14:4914:49, 4 April 2016 diff hist +59 N File:Figure O-8.jpg Fig. O-8 -- Columnar section of the Prairie du Chien Group. current
- 14:4814:48, 4 April 2016 diff hist +52 N File:Figure O-7.jpg Fig. O-7 -- Thickness of the Prairie du Chien Group. current
- 14:4714:47, 4 April 2016 diff hist +69 N File:Figure O-6.jpg Fig. O-6 -- Development of the Classification of the Canadian Series. current
- 14:4614:46, 4 April 2016 diff hist +38 N File:Figure O-5.jpg Fig. O-5 -- Typical Ordovician fossils current
- 14:4514:45, 4 April 2016 diff hist +52 N File:Figure O-4.jpg Fig. O-4 -- Classification of the Ordovician System. current
- 14:4514:45, 4 April 2016 diff hist +88 N File:Figure O-3.jpg Fig O-3 -- Structure of the top of the Galena Group (after Bristol and Buschbach, 1973). current
- 14:4314:43, 4 April 2016 diff hist +42 N File:Figure O-1.jpg Fig O-1 -- Thickness of Ordovician System. current
- 14:2914:29, 4 April 2016 diff hist +48 N File:Figure M-50.jpg Fig. M-50 -- Thickness of the Kinkaid Limestone. current
- 14:2914:29, 4 April 2016 diff hist +48 N File:Figure M-49.jpg Fig. M-49 -- Thickness of the Degonia Sandstone. current
- 14:2814:28, 4 April 2016 diff hist +46 N File:Figure M-48.jpg Fig. M-48 -- Thickness of the Clore Formation. current
- 14:2714:27, 4 April 2016 diff hist +50 N File:Figure M-47.jpg Fig. M-47 -- Thickness of the Palestine Sandstone. current
- 14:2614:26, 4 April 2016 diff hist +47 N File:Figure M-46.jpg Fig. M-46 -- Thickness of the Menard Limestone. current
- 14:2614:26, 4 April 2016 diff hist +52 N File:Figure M-45.jpg Fig. M-45 -- Thickness of the Waltersburg Sandstone. current
- 14:2514:25, 4 April 2016 diff hist +47 N File:Figure M-44.jpg Fig. M-44 -- Thickness of the Vienna Limestone. current
- 14:2414:24, 4 April 2016 diff hist +52 N File:Figure M-43.jpg Fig. M-43 -- Thickness of the Tar Springs Sandstone. current
- 14:2414:24, 4 April 2016 diff hist +50 N File:Figure M-42.jpg Fig. M-42 -- Thickness of the Glen Dean Limestone. current
- 14:2314:23, 4 April 2016 diff hist +52 N File:Figure M-41.jpg Fig. M-41 -- Thickness of the Hardinsburg Sandstone. current
- 14:2214:22, 4 April 2016 diff hist +46 N File:Figure M-40.jpg Fig. M-40 -- Thickness of the Haney Limestone. current
- 14:2214:22, 4 April 2016 diff hist +45 N File:Figure M-39.jpg Fig. M-39 -- Thickness of the Fraileys Shale. current
- 14:2114:21, 4 April 2016 diff hist +52 N File:Figure M-38.jpg Fig. M-38 -- Thickness of the Beech Creek Limestone. current
- 14:2014:20, 4 April 2016 diff hist +48 N File:Figure M-37.jpg Fig. M-37 -- Thickness of the Cypress Sandstone. current
- 14:1914:19, 4 April 2016 diff hist +51 N File:Figure M-36.jpg Fig. M-36 -- Thickness of the Ridenhower Formation. current
- 14:1914:19, 4 April 2016 diff hist +47 N File:Figure M-35.jpg Fig. M-35 -- Thickness of the Bethel Sandstone. current
- 14:1814:18, 4 April 2016 diff hist +54 N File:Figure M-34.jpg Fig. M-34 -- Thickness of the Downeys Bluff Limestone. current
- 14:1714:17, 4 April 2016 diff hist +51 N File:Figure M-33.jpg Fig. M-33 -- Thickness of the Yankeetown Sandstone. current
- 14:1714:17, 4 April 2016 diff hist +153 N File:Figure M-32.jpg Fig. M-32 -- Changes in position of the shoreline and the position of the Michigan River during late Valmeyeran and Chesterian times (after Swann, 1963). current
- 14:1514:15, 4 April 2016 diff hist +109 N File:Figure M-31.jpg Fig. M-31 -- Paleogeography at an intermediate state during the Chesterian sedimentation (after Swann, 1963). current
- 14:1414:14, 4 April 2016 diff hist +154 N File:Figure M-30.jpg Fig. M-30 -- Cross section of the lower Chesterian strata between Boyd, Jefferson County, and New Haven, Gallatin County (after Swann and Atherton, 1948). current
- 14:1214:12, 4 April 2016 diff hist +59 N File:Figure M-29.jpg Fig. M-29 -- Typical electric log of the Chesterian Series. current
- 14:1214:12, 4 April 2016 diff hist +141 N File:Figure M-28.jpg Fig. M-28 -- Development of the classification of the Chesterian Series in southwestern Illinois -- the Chester District (after Swann, 1963). current
- 14:1014:10, 4 April 2016 diff hist +143 N File:Figure M-27.jpg Fig. M-27 -- Development of the classification of the Chesterian Series in southeastern Illinois -- the Fluorspar District (after Swann, 1963). current
- 14:0814:08, 4 April 2016 diff hist +48 N File:Figure M-26.jpg Fig. M-26 -- Thickness of the Chesterian Series. current
- 14:0814:08, 4 April 2016 diff hist +175 N File:Figure M-25.jpg Fig. M-25 -- Columnar section of the Chesterian Series (after Swan, 1963), showing biozones (after Collinson et al., 1971). In the columnar section, the blank areas are shale. current
- 14:0614:06, 4 April 2016 diff hist +48 N File:Figure M-24.jpg Fig. M-24 -- Thickness of the Renault Limestone. current
- 14:0514:05, 4 April 2016 diff hist +50 N File:Figure M-23.jpg Fig. M-23 -- Thickness of the Aux Vases Sandstone. current
- 14:0514:05, 4 April 2016 diff hist +55 N File:Figure M-22.jpg Fig. M-22 -- Thickness of the Ste. Genevieve Limestone. current
- 14:0414:04, 4 April 2016 diff hist +50 File:Figure M-21.jpg No edit summary current
- 14:0314:03, 4 April 2016 diff hist +46 N File:Figure M-20.jpg Fig. M-20 -- Thickness of the Salem Limestone. current
- 14:0214:02, 4 April 2016 diff hist +46 N File:Figure M-19.jpg Fig. M-19 -- Thickness of the Ullin Limestone. current
- 14:0114:01, 4 April 2016 diff hist +50 N File:Figure M-18.jpg Fig M-18 -- Thickness of the Fort Payne Formation. current
- 14:0114:01, 4 April 2016 diff hist +47 N File:Figure M-17.jpg Fig. M-17 -- Thickness of Burlington Limestone. current
- 14:0014:00, 4 April 2016 diff hist +84 N File:Figure M-16.jpg Fig. M-16 -- Thickness of the Warsaw Shale, Borden Siltstone, and Springville Shale. current
- 13:5913:59, 4 April 2016 diff hist +71 N File:Figure M-15.jpg Fig M-15 -- Development of the classification of the Valmeyeran Series. current
- 13:5813:58, 4 April 2016 diff hist +133 N File:Figure M-14.jpg Fig. M-14 -- Diagrammatic east-west cross section across central Illinois showing the Borden Siltstone delta (after Lineback, 1968b). current
- 13:5713:57, 4 April 2016 diff hist +76 N File:Figure M-13.jpg Fig. M-13 -- Columnar section of the Valmeyeran Series in southern Illinois. current
- 13:5613:56, 4 April 2016 diff hist +75 N File:Figure M-12.jpg Fig. M-12 -- Columnar section of the Valmeyeran Series in central Illinois. current
- 13:5513:55, 4 April 2016 diff hist +75 N File:Figure M-11.jpg Fig. M-11 -- Columnar section of the Valmeyeran Series in western Illinois. current
- 13:5413:54, 4 April 2016 diff hist +104 N File:Figure M-10.jpg Fig. M-10 -- Thickness of the Valmeyeran Series. Thickness is shown where Chesterian strata are present. current
- 13:5313:53, 4 April 2016 diff hist +150 N File:Figure M-9.jpg Fig. M-9 -- Thickness of Chouteau Limestone and areal extent of formations of the North Hill Group (after Buschback, 1952; Workman and Gillete, 1956). current
- 13:3013:30, 4 April 2016 diff hist +118 N File:Figure M-8.jpg Fig. M-8 -- Thickness of the Mammoth Cave Limestone Megagroup. Thickness is shown where Chesterian strata are present. current
- 13:2513:25, 4 April 2016 diff hist +74 N File:Figure M-7.jpg Fig. M-7 -- Development of the classification of the Kinderhookian Series. current
- 13:2413:24, 4 April 2016 diff hist +57 N File:Figure M-6.jpg Fig. M-6 -- Columnar section of the Kinderhookian Series. current
- 13:2413:24, 4 April 2016 diff hist +50 N File:Figure M-5.jpg Fig. M-5 -- Thickness of the Kinderhookian Series. current
- 13:2313:23, 4 April 2016 diff hist +42 N File:Figure M-4.jpg Fig. M-4 -- Typical Mississippian fossils. current
- 13:2213:22, 4 April 2016 diff hist +55 N File:Figure M-3.jpg Fig. M-3 -- Classification of the Mississippian System. current
- 13:0413:04, 4 April 2016 diff hist +127 N File:Figure M-2.jpg Fig. M-2 -- Areal extent of the Mississippian System in Illinois. Thickness is shown where upper Chesterian strata are present. current
1 April 2016
- 20:2020:20, 1 April 2016 diff hist +92 N File:Figure K-4.jpg Fig. K-4 -- Distribution of Cretaceous strata in western Illinois (after Frye et al., 1964). current
- 20:1920:19, 1 April 2016 diff hist +119 N File:Figure K-3.jpg Fig. K-3 -- Distribution of Cretaceous, Paleocene, and Eocene strata in southern Illinois (after Willman et al., 1967). current
- 20:1720:17, 1 April 2016 diff hist +50 N File:Figure D-20.jpg Fig. D-20 -- Thickness of the Louisiana Limestone. current
- 20:1720:17, 1 April 2016 diff hist +59 N File:Figure D-19.jpg Fig. D-19 -- Columnar section of the Upper Devonian Series. current
- 20:1520:15, 1 April 2016 diff hist +51 File:Figure D-18.jpg No edit summary current
- 20:1320:13, 1 April 2016 diff hist +64 N File:Figure D-17.jpg Fig. D-17 -- Thickness of the Blocher Shale (after North, 1969). current
- 20:1220:12, 1 April 2016 diff hist +46 N File:Figure D-16.jpg Fig. D-16 -- Thickness of the Knobs Megagroup. current
- 20:1120:11, 1 April 2016 diff hist +75 File:Figure D-15.jpg No edit summary current
- 20:0920:09, 1 April 2016 diff hist +72 N File:Figure D-14.jpg Fig. D-14 -- Thickness of the Grand Tower Limestone (after North, 1969). current
- 20:0820:08, 1 April 2016 diff hist +73 N File:Figure D-13.jpg Fig. D-13 -- Thickness of the Cedar Valley Limestone (after James, 1968). current
- 20:0720:07, 1 April 2016 diff hist +73 N File:Figure D-12.jpg Fig. D-12 -- Thickness of the Wapsipinicon Limestone (after James, 1968). current
- 20:0520:05, 1 April 2016 diff hist +60 N File:Figure D-11.jpg Fig. D-11 -- Columnar section of the Middle Devonian Series. current
- 20:0420:04, 1 April 2016 diff hist +53 N File:Figure D-10.jpg Fig. D-10 -- Thickness of the Middle Devonian Series. current
- 20:0320:03, 1 April 2016 diff hist +58 N File:Figure D-9.jpg Fig. D-9 -- Columnar section of the Lower Devonian Series. current
- 20:0020:00, 1 April 2016 diff hist +51 N File:Figure D-8.jpg Fig. D-8 -- Thickness of the Lower Devonian Series. current
- 19:5919:59, 1 April 2016 diff hist +54 N File:Figure D-7.jpg Fig. D-7 -- Geologic map of the sub-Kaskaskia surface. current
- 19:5819:58, 1 April 2016 diff hist +37 N File:Figure D-6.jpg Fig. D-6 -- Typical Devonian fossils. current
- 19:5719:57, 1 April 2016 diff hist +90 N File:Figure D-5.jpg Fig. D-5 -- Development of the classification of the Devonian System in southern Illinois. current
- 19:5619:56, 1 April 2016 diff hist +90 N File:Figure D-4.jpg Fig. D-4 -- Development of the classification of the Devonian System in northern Illinois. current
- 19:5219:52, 1 April 2016 diff hist +50 N File:Figure D-2.jpg Fig. D-2 -- Classification of the Devonian System. current
- 19:5119:51, 1 April 2016 diff hist +46 N File:Figure D-1.jpg Fig. D-1 -- Thickness of the Devonian Systems. current
- 19:4019:40, 1 April 2016 diff hist +48 N File:Figure 17.jpg Fig. 17 -- Patterns and symbols used in figures. current
- 19:3919:39, 1 April 2016 diff hist +190 N File:Figure 16.jpg Fig. 16 -- Development of the stratigraphic classifications used in Illinois. The references include reports that introduced changes in the classification and others that show typical usage. current
- 19:3819:38, 1 April 2016 diff hist +107 N File:Figure 15.jpg Fig. 15 -- Topography of the bedrock surface of Illinois (after Horberg, 1950a and Willman and Frye, 1970). current
- 19:3619:36, 1 April 2016 diff hist +92 N File:Figure 14.jpg Fig. 14 -- Pre-Pennsylvanian megagroups and sequences of Illinois (Swann and Willman, 1961). current
- 19:3519:35, 1 April 2016 diff hist +98 File:Figure 13.jpg No edit summary current
- 15:5715:57, 1 April 2016 diff hist +189 N File:Figure 11.jpg Fig. 11 -- Generalized surficial geology of Illinois. In uneroded areas the loess thins from 25-100 feet thick in the bluffs of the major valleys to 1-2 feet in areas farthest from valleys. current
- 15:5415:54, 1 April 2016 diff hist +51 N File:Figure 9.jpg Fig. 9 -- Index map showing counties and townships. current
- 15:5315:53, 1 April 2016 diff hist +44 N File:Figure 8.jpg Fig. 8 -- Topography and rivers of Illinois. current
- 15:5215:52, 1 April 2016 diff hist +76 N File:Figure 7.jpg Fig. 7 -- Physiographic divisions of Illinois (after Leighton et al., 1948). current
- 15:5115:51, 1 April 2016 diff hist +59 N File:Figure 6.jpg Fig. 6 -- Geologic map of Illinois by Stuart Weller (1907). current
- 15:5015:50, 1 April 2016 diff hist +59 N File:Figure 5.jpg Fig. 5 -- Geologic map of Illinois by A. H. Worthen (1875). current
- 15:4915:49, 1 April 2016 diff hist +131 N File:Figure 4.jpg Fig. 4 -- Index to volumes issued by the Geological Survey of Illinois (Worthen Survey) in which individual counties are described. current
- 15:4615:46, 1 April 2016 diff hist +56 N File:Figure 3.jpg Fig. 3 -- Geologic map of Illinois by James Hall (1843). current
31 March 2016
- 16:3116:31, 31 March 2016 diff hist +151 N File:Figure O-2A.jpg Fig. O-2 A -- St. Peter Sandstone in Starved Rock along the Illinois River in Starved Rock State Park, 4 miles south-east of La Salle, La Salle County. current
- 16:2416:24, 31 March 2016 diff hist +70 N File:Figure 1.jpg Fig. 1 -- Summary of the age, origin, and thickness of Illinois rocks. current
17 August 2015
- 12:5612:56, 17 August 2015 diff hist +147 m Template:Redirect No edit summary current
13 August 2015
- 19:3819:38, 13 August 2015 diff hist 0 N File:B95.jpg No edit summary current
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10 August 2015
- 17:5417:54, 10 August 2015 diff hist 0 N File:Geologic-time-scale1.jpg No edit summary current
- 16:5716:57, 10 August 2015 diff hist 0 N File:Pennsylvanian column update.jpg No edit summary current
- 16:1216:12, 10 August 2015 diff hist +25 N File:Pennsylvanian column.jpg Pennsylvanian Column test current
7 August 2015
- 12:3412:34, 7 August 2015 diff hist +172 N MediaWiki:Revdelete-reason-dropdown Created page with "*Common delete reasons **initial entry ** Copyright violation ** Inappropriate comment or personal information ** Inappropriate username ** Potentially libelous information" current
6 August 2015
- 15:0215:02, 6 August 2015 diff hist +51 N File:Figure K-2.jpg Fig. K-2 -- Classification of the Cretaceous System current
5 August 2015
- 20:0920:09, 5 August 2015 diff hist 0 N File:ISGS logo.jpg No edit summary current