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19 April 2016
- 16:5216:52, 19 April 2016 diff hist +194 N File:104-Figure 15.jpg Figure 15 - Lower tongues of the Mason Group Henry and Equality Formation (Ashmore and Peddicord, respectively) beneath the Wedron Group Tiskilwa Formation (Delavan Member) at Charleston Quarry. current
- 16:4916:49, 19 April 2016 diff hist +197 N File:104-Figure 14.jpg Figure 14 -- The Yorkville and Batestown Members of the Lemont Formation, Delavan Member of the Tiskilwa Formation, Robein Member of the Roxana Silt, and Glasford Formation at Higginsville Section. current
- 16:4216:42, 19 April 2016 diff hist +71 N File:104-Figure 13b.jpg Figure 13b -- Names of Wedron Group formations and members in Illinois. current
- 16:4016:40, 19 April 2016 diff hist +454 N File:104-Figure 13a.jpg Figure 13a -- Areal distribution of moraines and boundaries of formations and predominant members of the Wedron Group and the Trafalgar Formation in Illinois. (Names of formations and members are labeled on 13b.) Sublobe areas of the Lake Michigan Lobe... current
- 16:3716:37, 19 April 2016 diff hist +18 N File:104-Figure 12 Diagram.jpg Figure 12 Diagram. current
- 16:3616:36, 19 April 2016 diff hist +160 N File:104-Figure 12.jpg Figure 12 -- Intertongued sorted-sediment units of the Mason Group and diamicton units of the Wedron Group at Wedron Quarry pit 1. Mason Group units are shaded. current
- 16:3516:35, 19 April 2016 diff hist +375 N File:104-Figure 11.jpg Figure 11 Correlation of the Wedron Group formations and members in the Lake Michigan Lobe area (units in Wisconsin from Mickelson et. al. 1984, Mickelson and Syverson, in press; units in Indiana from Bleuer et al. 1983, N.K. Bleuer, Indiana Geological... current
- 16:3116:31, 19 April 2016 diff hist +472 N File:104-Figure 10.jpg Figure 10 -- Geochronological units, chronostratigraphic units and diachronic units in the Lake Michigan Lobe in a transect from south of Peoria, Illinois, to north of the Straits of Mackinac in Michigan (geochronologic and chronostratigraphic units ar... current
- 16:2416:24, 19 April 2016 diff hist +274 N File:104-Figure 9.jpg Figure 9 -- History of the litho-stratigraphic classification of the Mason Group deposits with respect to the Wedron Group deposits: (a) Peoria and Roxana Silts, (b) Henry Formation, and (c) Equality Formation. Vertical lines indicate part of section m... current
- 16:2116:21, 19 April 2016 diff hist +86 N File:104-Figure 7.jpg Figure 7 -- History of lithostratigraphic classification of the Wedron Group deposits. current
- 16:1716:17, 19 April 2016 diff hist +1,017 N File:104-Figure 6.jpg Figure 6 -- Diagram shows boundaries and classification of formal units (groups, formations, members) and tongues and informal facies within two intertonguing groups consisting predominantly of diamicton and sorted sediment. Formation A is a lithostrat... current
- 16:1016:10, 19 April 2016 diff hist +122 N File:104-Figure 4b.jpg Figure 4b -- Areal distribution of predominant Quaternary formations and members in Illinois (from Willman and Frye 1970). current
- 15:5715:57, 19 April 2016 diff hist +169 N File:104-Figure 4a.jpg Figure 4a -- Lobe and sublobe boundaries in Illinois during the last glaciation (from Willman and Frye 1970). Locations of the ancient Mississippi and Iowa Rivers added. current
- 15:5215:52, 19 April 2016 diff hist +214 N File:104-Figure 3.jpg Figure 3 -- Diagram shows Willman and Frye's (1970) use of arbitrary vertical boundaries to avoid intertonguing of till members with sorted-sediment units in classification of the deposits of the Wisconsinan Stage. current
- 15:5015:50, 19 April 2016 diff hist +376 N File:104-Figure 2.jpg Figure 2 -- Diagram shows the intertonguing relationships among the Mason Group sorted-sediment units (Roxana and Peoria Silts and Henry and Equality Formations) and between the Mason Group sorted-sediment units and the Wedron Group diamicton units. Th... current
- 15:4715:47, 19 April 2016 diff hist +17 N File:104-Figure 1 2.jpg Soil Stratigraphy current
- 15:4615:46, 19 April 2016 diff hist +106 N File:104-Figure 1 1.jpg Figure 1 -- Stratigraphic classification of Pleistocene deposits in Illinois (from Willman and Frye 1970). current
18 April 2016
- 17:2717:27, 18 April 2016 diff hist 0 N File:94-tb 7-g.jpg No edit summary current
- 17:2717:27, 18 April 2016 diff hist 0 N File:94-tb 7-f.jpg No edit summary current
- 17:2617:26, 18 April 2016 diff hist 0 N File:94-tb 7-e.jpg No edit summary current
- 17:2517:25, 18 April 2016 diff hist 0 N File:94-tb 7-d.jpg No edit summary current
- 17:2517:25, 18 April 2016 diff hist 0 N File:94-tb 7-c.jpg No edit summary current
- 17:2417:24, 18 April 2016 diff hist 0 N File:94-tb 7-b.jpg No edit summary current
- 17:2417:24, 18 April 2016 diff hist +162 N File:94-tb 7-a.jpg Table 7 -- Described Stratigraphic Sections Previously Published (414 sections from 78 counties are arranged alphabetically, with citation to publication source). current
- 17:1317:13, 18 April 2016 diff hist +21 N File:94-tb 5-e.jpg Table 5 -- Continued. current
- 17:1217:12, 18 April 2016 diff hist +21 N File:94-tb 5-d.jpg Table 5 -- Continued. current
- 17:1117:11, 18 April 2016 diff hist +21 N File:94-tb 5-c.jpg Table 5 -- Continued. current
- 17:0117:01, 18 April 2016 diff hist +21 N File:94-tb 5-.jpg Table 5 -- Continued. current
- 17:0017:00, 18 April 2016 diff hist +216 File:94-tb 4.jpg No edit summary current
- 16:5716:57, 18 April 2016 diff hist +109 N File:94-tb 3.jpg Table 3 -- Composition of Wedron Formation (X-ray analyses by H. D. Glass, Illinois State Geological Survey). current
- 16:5516:55, 18 April 2016 diff hist +54 N File:94-tb 2.jpg Table 2 -- Typical Compositions of Glacial Till Units. current
- 16:5416:54, 18 April 2016 diff hist +110 N File:94-tb 1.jpg Table 1 -- Selected Stratigraphically Significant Radiocarbon Dates From Illinois (94 dates from 30 counties). current
- 16:5216:52, 18 April 2016 diff hist +16 N File:94-pl 3.jpg Bull. 94 - pl. 3 current
- 16:4516:45, 18 April 2016 diff hist +167 N File:94-fig 14.jpg Fig. 14 -- Time-space diagram showing glacial deposits, soils, and stratigraphically significant radio-carbon dates in the Wisconsinan and Holocene Stages in Illinois. current
- 16:4416:44, 18 April 2016 diff hist +145 N File:94-fig 13.jpg Fig. 13 -- Major steps in development of the stratigraphic classification of the Wisconsinan deposits of Illinois (after Frye and Willman, 1963). current
- 16:4216:42, 18 April 2016 diff hist +54 N File:94-fig 12.jpg Fig. 12 -- Woodfordian lobes and sublobes in Illinois. current
- 16:4116:41, 18 April 2016 diff hist +88 N File:94-fig 11.jpg Fig. 11 -- Major areas of wind-blown sand in Illinois. Principal areas of Parkland Sand. current
- 16:4016:40, 18 April 2016 diff hist +120 N File:94-fig 10.jpg Fig. 10 -- Generalized map of floodplains of modern rivers and streams of Illinois. Principal areas of Cahokia Alluvium. current
- 16:3816:38, 18 April 2016 diff hist +207 N File:94-fig 9.jpg Fig. 9 -- Glacial lakes of Illinois. These are the principal areas of the Equality Formation, with the exception of Lake McKee and possibly Lake Brussels. Areas of lakes overridden by glaciers are not shown. current
- 16:3216:32, 18 April 2016 diff hist +137 N File:94-fig 8.jpg Fig. 8 -- Diagrammatic cross section showing the relations of formations and members of Wisconsinan age in northern and western Illinois. current
- 16:3016:30, 18 April 2016 diff hist +122 N File:94-fig 7.jpg Fig. 7 -- Diagrammatic cross section showing the relations of formations and members of Illinoian age in western Illinois. current
- 16:2816:28, 18 April 2016 diff hist +87 N File:94-fig 6.jpg Fig. 6 -- Areal distribution of the dominantly till formations and members of Illinois. current
- 16:2616:26, 18 April 2016 diff hist +72 N File:94-fig 5.jpg Fig. 5 -- Sequence of glaciations and interglacial drainage in Illinois. current
- 16:2116:21, 18 April 2016 diff hist +90 N File:94-fig 4.jpg Fig. 4 -- Topography of the bedrock surface of Illinois (after Horberg, 1950, and others). current
- 16:1916:19, 18 April 2016 diff hist +91 N File:94-fig 3.jpg Fig. 3 -- Thickness of Pleistocene deposits of Illinois (after Piskin and Bergstrom, 1967). current
- 16:1616:16, 18 April 2016 diff hist +125 File:94-fig 2.jpg No edit summary current
13 April 2016
- 17:5917:59, 13 April 2016 diff hist +79 N File:94-Fig 1.jpg Fig. 1 -- Stratigraphic classification of the Pleistocene deposits of Illinois. current
11 April 2016
- 15:2115:21, 11 April 2016 diff hist +96 File:Figure S-15.jpg No edit summary current
8 April 2016
- 16:1716:17, 8 April 2016 diff hist +91 File:Figure O-20.jpg No edit summary current
1 April 2016
- 15:4215:42, 1 April 2016 diff hist +78 N File:Figure P-16.jpg Fig. P-16 -- Thickness of the Mattoon Formation (based on map by K. E. Clegg). current