Surficial Geology of Ames Quadrangle, Monroe and Randolph Counties, Illinois
Map (2 sheets) describing the surficial geology of the Ames 7.5 minute quadrangle, located in Monroe and Randolph Counties, Illinois. Sand and gravel and groundwater resources are discussed, as well as environmental hazards such as groundwater contamination, slope stability, soil erosion and karst terrain. scale 1:24,000