Central Great Lakes Geologic Mapping Coalition. (2003). Sustainable growth in America's heartland: 3-D geologic maps as the foundation. U.S. Department of the Interior, U.S. Geological Survey.
Chicago Style (17th ed.) CitationCentral Great Lakes Geologic Mapping Coalition. Sustainable Growth in America's Heartland: 3-D Geologic Maps as the Foundation. [Reston, Virginia]: U.S. Department of the Interior, U.S. Geological Survey, 2003.
MLA (9th ed.) CitationCentral Great Lakes Geologic Mapping Coalition. Sustainable Growth in America's Heartland: 3-D Geologic Maps as the Foundation. U.S. Department of the Interior, U.S. Geological Survey, 2003.
Warning: These citations may not always be 100% accurate.