Geology for planning in northeastern Illinois. I

"May 17, 1976.""Prepared for the Northeastern Illinois Planning Commission.""This study has been financed in part by a grant from the U.S. Environmental Protection Agency under the provisions of PL 92-500.""This regional study ... was initiated by the Northeastern Illinois Planning Commission (NIPC) under provisions of section 208 of the Federal Water Pollution Control Act Amendments of 1972 (PL 92-500) ... the entire six county northeastern Illinois region was designated as a water quality problem area"--P. [1]-2.Includes bibliographical references.Background and scope of project -- Geologic setting of northeastern Illinois and description of geologic material -- Physical and minerologic properties of geologic materials -- Hydrologic framework of northeastern Illinois, including well characteristics -- Mapping methods and procedures: Geologic materials in northeastern Illinois to a depth of 20 feet (6.1 meters) -- Principal terrains in northeastern Illinois and generalized recharge-discharge characteristics -- Poorly drained soils in northeastern Illinois -- Water pollution from waste disposal and land treatment practices -- Land utilization considerations -- Natural resources