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Illinois Geologic Quadrangle Map - WaterlooBedrock Topography
Click to view or right-click to download Theme: Bedrock Topography Author: Panno, S.V., F.B. Denny, J.C. Angel, and J.E. Crockett Description: One 36" × 30" map sheet; includes map, legend, and descriptive text. Year Delivered: 2008 File size: 2.6 mb PDF Hardcopy: $7.50
Sinkhole Distribution and DensityClick to view or right-click to download download Theme: Sinkhole Distribution and Density Author: Panno, S.V., J.C. Angel, D.O. Nelson, C.P. Weibel, D.E. Luman, and F.B. Denny Description: One 36" × 30" map sheet and one 6-page report; map sheet contains map, legend, and 2 aerial photographs; report includes descriptive text with 4 figures and 2 photos. Year Delivered: 2008 File size: 5.9 mb PDF Hardcopy: $12.50 Ordering information for Illinois State Geological Survey Publications.
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| Updated 12/31/2008 SLD | |||||