Browse by Author "Marshak, Stephen"

  • Abert, Curtic C.; Larson, Timothy H.; Marshak, Stephen (Champaign, Ill.: Illinois State Geological Survey, Prairie Research Institute, 2016)
    Map 1. Land surface topography -- Map 2. Bedrock topography -- Map 3. Surficial geology with shaded relief -- Map 4. Bedrock geology with bedrock topography -- Map 5. Structure contours of the top of the Pennsylvanian ...


    application/pdfPDF (50MB)