TY - RPRT TI - Sustainable growth in America's heartland: 3-D geologic maps as the foundation AU - Central Great Lakes Geologic Mapping Coalition AU - Illinois State Geological Survey AU - Indiana Geological Survey AU - Michigan Geological Survey Division AU - Ohio Division of Geological Survey AU - Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey PY - 1999 DO - 10.3133/cir1190 UR - https://pubs.usgs.gov/publication/cir1190 ID - cir1190 ER -