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15:52, 19 April 2016 104-Figure 3.jpg (file) 459 KB Illex-gron 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. 1
15:50, 19 April 2016 104-Figure 2.jpg (file) 261 KB Illex-gron 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... 1
15:47, 19 April 2016 104-Figure 1 2.jpg (file) 307 KB Illex-gron Soil Stratigraphy 1
15:46, 19 April 2016 104-Figure 1 1.jpg (file) 445 KB Illex-gron Figure 1 -- Stratigraphic classification of Pleistocene deposits in Illinois (from Willman and Frye 1970). 1
17:27, 18 April 2016 94-tb 7-g.jpg (file) 525 KB Illex-gron   1
17:27, 18 April 2016 94-tb 7-f.jpg (file) 678 KB Illex-gron   1
17:26, 18 April 2016 94-tb 7-e.jpg (file) 657 KB Illex-gron   1
17:25, 18 April 2016 94-tb 7-d.jpg (file) 671 KB Illex-gron   1
17:25, 18 April 2016 94-tb 7-c.jpg (file) 663 KB Illex-gron   1
17:24, 18 April 2016 94-tb 7-b.jpg (file) 666 KB Illex-gron   1
17:24, 18 April 2016 94-tb 7-a.jpg (file) 663 KB Illex-gron Table 7 -- Described Stratigraphic Sections Previously Published (414 sections from 78 counties are arranged alphabetically, with citation to publication source). 1
17:22, 18 April 2016 94-tb 6-m.jpg (file) 261 KB Illex-gron   1
17:22, 18 April 2016 94-tb 6-l.jpg (file) 615 KB Illex-gron   1
17:21, 18 April 2016 94-tb 6-k.jpg (file) 533 KB Illex-gron   1
17:21, 18 April 2016 94-tb 6-j.jpg (file) 610 KB Illex-gron   1
17:20, 18 April 2016 94-tb 6-i.jpg (file) 570 KB Illex-gron   1
17:19, 18 April 2016 94-tb 6-h.jpg (file) 623 KB Illex-gron   1
17:19, 18 April 2016 94-tb 6-g.jpg (file) 555 KB Illex-gron   1
17:18, 18 April 2016 94-tb 6-f.jpg (file) 560 KB Illex-gron   1
17:17, 18 April 2016 94-tb 6-e.jpg (file) 555 KB Illex-gron   1
17:17, 18 April 2016 94-tb 6-d.jpg (file) 564 KB Illex-gron   1
17:16, 18 April 2016 94-tb 6-c.jpg (file) 598 KB Illex-gron   1
17:16, 18 April 2016 94-tb 6-b.jpg (file) 561 KB Illex-gron   1
17:15, 18 April 2016 94-tb 6-a.jpg (file) 546 KB Illex-gron Table 6 -- Stratigraphic Sections 1
17:13, 18 April 2016 94-tb 5-e.jpg (file) 449 KB Illex-gron Table 5 -- Continued. 1
17:12, 18 April 2016 94-tb 5-d.jpg (file) 414 KB Illex-gron Table 5 -- Continued. 1
17:11, 18 April 2016 94-tb 5-c.jpg (file) 414 KB Illex-gron Table 5 -- Continued. 1
17:11, 18 April 2016 94-tb 5-b.jpg (file) 404 KB Illex-gron Table 5 - Continued. 1
17:10, 18 April 2016 94-tb 5-a.jpg (file) 410 KB Illex-gron Table 5 -- Selected Analyses from Stratigraphic Sections Described in Table 6 (X-ray analyses by H. D. Glass, Illinois State Geological Survey). 1
17:01, 18 April 2016 94-tb 5-.jpg (file) 358 KB Illex-gron Table 5 -- Continued. 1
16:59, 18 April 2016 94-tb 4.jpg (file) 452 KB Illex-gron Table 4 -- Averages of Analyses of Selected Heavy and Light Minerals (Analyses of size fraction 0.062-0.250 mm). (From Frye, Glass, and Willman, 1962; Frye, Willman, and Glass, 1964; Willman, Glass, and Frye, 1963) 1
16:57, 18 April 2016 94-tb 3.jpg (file) 516 KB Illex-gron Table 3 -- Composition of Wedron Formation (X-ray analyses by H. D. Glass, Illinois State Geological Survey). 1
16:55, 18 April 2016 94-tb 2.jpg (file) 508 KB Illex-gron Table 2 -- Typical Compositions of Glacial Till Units. 1
16:54, 18 April 2016 94-tb 1.jpg (file) 657 KB Illex-gron Table 1 -- Selected Stratigraphically Significant Radiocarbon Dates From Illinois (94 dates from 30 counties). 1
16:52, 18 April 2016 94-pl 3.jpg (file) 587 KB Illex-gron Bull. 94 - pl. 3 1
16:48, 18 April 2016 94-pl 2.jpg (file) 611 KB Illex-gron Bull. 94 - pl. 2 1
16:45, 18 April 2016 94-fig 14.jpg (file) 398 KB Illex-gron Fig. 14 -- Time-space diagram showing glacial deposits, soils, and stratigraphically significant radio-carbon dates in the Wisconsinan and Holocene Stages in Illinois. 1
16:44, 18 April 2016 94-fig 13.jpg (file) 431 KB Illex-gron Fig. 13 -- Major steps in development of the stratigraphic classification of the Wisconsinan deposits of Illinois (after Frye and Willman, 1963). 1
16:42, 18 April 2016 94-fig 12.jpg (file) 290 KB Illex-gron Fig. 12 -- Woodfordian lobes and sublobes in Illinois. 1
16:41, 18 April 2016 94-fig 11.jpg (file) 309 KB Illex-gron Fig. 11 -- Major areas of wind-blown sand in Illinois. Principal areas of Parkland Sand. 1
16:40, 18 April 2016 94-fig 10.jpg (file) 673 KB Illex-gron Fig. 10 -- Generalized map of floodplains of modern rivers and streams of Illinois. Principal areas of Cahokia Alluvium. 1
16:38, 18 April 2016 94-fig 9.jpg (file) 438 KB Illex-gron 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. 1
16:32, 18 April 2016 94-fig 8.jpg (file) 575 KB Illex-gron Fig. 8 -- Diagrammatic cross section showing the relations of formations and members of Wisconsinan age in northern and western Illinois. 1
16:30, 18 April 2016 94-fig 7.jpg (file) 567 KB Illex-gron Fig. 7 -- Diagrammatic cross section showing the relations of formations and members of Illinoian age in western Illinois. 1
16:28, 18 April 2016 94-fig 6.jpg (file) 665 KB Illex-gron Fig. 6 -- Areal distribution of the dominantly till formations and members of Illinois. 1
16:26, 18 April 2016 94-fig 5.jpg (file) 399 KB Illex-gron Fig. 5 -- Sequence of glaciations and interglacial drainage in Illinois. 1
16:21, 18 April 2016 94-fig 4.jpg (file) 858 KB Illex-gron Fig. 4 -- Topography of the bedrock surface of Illinois (after Horberg, 1950, and others). 1
16:19, 18 April 2016 94-fig 3.jpg (file) 876 KB Illex-gron Fig. 3 -- Thickness of Pleistocene deposits of Illinois (after Piskin and Bergstrom, 1967). 1
16:15, 18 April 2016 94-fig 2.jpg (file) 893 KB Illex-gron Fig. 2 -- Generalized areal geology of the bedrock surface of Illinois. (see Willman et at., 1967, for more detailed mapping). 1
17:59, 13 April 2016 94-Fig 1.jpg (file) 538 KB Illex-gron Fig. 1 -- Stratigraphic classification of the Pleistocene deposits of Illinois. 1
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