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  • File:Penn carb fig1.jpg
    ...Illinois Basin. Compiled by the Tri-State Committee on Correlation of the Pennsylvanian System in the Illinois Basin, 2001.
    (1,500 × 1,000 (276 KB)) - 21:28, 8 March 2016
  • File:Pennsylvanian column.jpg
    Pennsylvanian Column test
    (835 × 2,969 (1.13 MB)) - 16:12, 10 August 2015
  • File:Figure P-6.jpg
    Fig. P-6 -- Typical Pennsylvanian fossils.
    (2,100 × 3,285 (1.5 MB)) - 23:43, 8 March 2016
  • File:Penn symbol.png
    Symbol Used for the Pennsylvanian Geo Unit Designation
    (12 × 13 (16 KB)) - 14:04, 15 January 2016
  • File:Figure P-1.jpg
    Fig. P-1 -- Thickness of the Pennsylvanian System.
    (1,800 × 3,289 (753 KB)) - 15:27, 1 April 2016
  • File:Figure 14.jpg
    Fig. 14 -- Pre-Pennsylvanian megagroups and sequences of Illinois (Swann and Willman, 1961).
    (2,240 × 3,283 (1.08 MB)) - 19:36, 1 April 2016
  • File:Figure P-5.jpg
    Fig. P-5 -- Development of Classification of the Pennsylvanian System (after Kosanke et al., 1960).
    (3,261 × 2,219 (684 KB)) - 22:42, 8 March 2016
  • File:Figure P-4.jpg
    Fig. P-4 -- Geologic map of the sub-Pennsylvanian (sub-Absaroka) surface (after Willman et al., 1967).
    (2,124 × 3,285 (1.15 MB)) - 23:42, 8 March 2016
  • File:Figure P-9.jpg
    Fig. P-9 -- Geologic map of the sub-Pennsylvanian (sub-Absaroka) surface (after Willman et al., 1967).
    (1,072 × 2,053 (334 KB)) - 14:59, 1 April 2016
  • File:C605-Figure-30.jpg
    ...m Potter (1962)<ref>Potter, P.E., 1962, Shape and distribution patterns of Pennsylvanian sand bodies in Illinois: Illinois State Geological Survey, Circular 339, 36 |references=Potter, P.E., 1962, Shape and distribution patterns of Pennsylvanian sand bodies in Illinois: Illinois State Geological Survey, Circular 339, 36
    (2,116 × 2,474 (1.64 MB)) - 14:18, 22 August 2023
  • File:C605-Figure-38.jpg
    ...man (1960)<ref>Friedman, S.A., 1960, Channel-fill sandstones in the Middle Pennsylvanian rocks of Indiana: Indiana Geological Survey, Report of Progress No. 23, 59 |references=Friedman, S.A., 1960, Channel-fill sandstones in the Middle Pennsylvanian rocks of Indiana: Indiana Geological Survey, Report of Progress No. 23, 59
    (1,300 × 2,541 (523 KB)) - 13:53, 23 August 2023
  • File:Figure P-3D.jpg
    Fig. P-3D -- The Sub-Absaroka unconformity showing Pennsylvanian strata (Caseyville Formation) truncating Mississippian strata (Kinkaid Lime
    (2,267 × 1,918 (1.38 MB)) - 23:39, 8 March 2016
  • File:C605-Figure-60.jpg
    ...w, and N.T. Edgar, 2003b, Climate controls on the stratigraphy of a Middle Pennsylvanian cyclothem in North America, in C.B. Cecil and N.T. Edgar, eds., Climate con ...w, and N.T. Edgar, 2003b, Climate controls on the stratigraphy of a Middle Pennsylvanian cyclothem in North America, in C.B. Cecil and N.T. Edgar, eds., Climate con
    (1,703 × 2,149 (713 KB)) - 16:12, 17 August 2023
  • File:C605-Figure-59.jpg
    |caption=Conceptual model of Pangea during a glacial episode of the Pennsylvanian. From Cecil, ...w, and N.T. Edgar, 2003b, Climate controls on the stratigraphy of a Middle Pennsylvanian cyclothem in North America, in C.B. Cecil and N.T. Edgar, eds., Climate con
    (1,729 × 1,032 (345 KB)) - 16:12, 17 August 2023
  • File:Figure P-2.jpg
    Fig. P-2 -- Classification of the Pennsylvanian System. In the graphic column, blank space indicates gray shale. Named memb
    (1,074 × 4,158 (765 KB)) - 15:09, 1 April 2016
  • File:Penn carbondale 4-1.jpg
    |Caption=Figure 4-1. Chart showing the development of the Pennsylvanian classification in the Illinois Basin. From the Tri-State Committee (2001).
    (3,001 × 2,371 (1.23 MB)) - 22:44, 28 January 2021
  • File:C605-Figure-08.jpg
    ...m Potter (1962)<ref>Potter, P.E., 1962, Shape and distribution patterns of Pennsylvanian sand bodies in Illinois: Illinois State Geological Survey, Circular 339, 36 |references=Potter, P.E., 1962, Shape and distribution patterns of Pennsylvanian sand bodies in Illinois: Illinois State Geological Survey, Circular 339, 36
    (2,350 × 1,736 (1.52 MB)) - 16:42, 21 August 2023
  • File:C605-Figure-15.jpg
    .... Elrick, and W.J. Nelson, Vegetational zonation in a swamp forest, Middle Pennsylvanian, Illinois Basin, U.S.A., indicates niche differentiation in a wetland plant
    (2,100 × 1,703 (1.09 MB)) - 15:54, 17 August 2023
  • File:C605-Figure-34.jpg
    ...y and Francisco distributary fluvial channels in the Petersburg Formation (Pennsylvanian) of Gibson County, Indiana, U.S.A., in R.A. Rahmani and R.M. Flores, eds.,
    (2,164 × 1,455 (543 KB)) - 16:02, 17 August 2023
  • File:C605-Figure-02.jpg
    |caption=Correlation chart showing the positions of key units within the Pennsylvanian Subsystem. Global and provincial stage boundaries and ages in millions of y
    (1,819 × 2,181 (429 KB)) - 16:28, 22 August 2023

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