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Published byAbigayle Griffin Modified over 6 years ago
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Figure 2. Surficial geologic map of Mclean County and surrounding areas (Modified from Stiff et al., [28]). Study area is outlined in black. Positions of the major moraines are indicated. Pink = Illinoisan units; Oranges = various outwash facies of the Henry Formation; Pale purple = Equality Formation, Dull green and teal = Wedron Formation, Bright green = Grayslake Peat; Yellow = Cahokia Alluvium Carlock Drew C. et al. Stratigraphy and Extent of the Pearl-Ashmore Aquifer, Mchenry County, IL, USA. World Journal of Environmental Engineering, 2016, Vol. 4, No. 1, doi: /wjee-4-1-2 © The Author(s) Published by Science and Education Publishing.
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