User contributions for Alan.Myers
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4 April 2016
- 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