DS 321: Survey Information
Illinois, Indiana, and Ohio Magnetic Data Index Map
The Illinois, Indiana, and Ohio magnetic compilation contains data from 18 separate digital magnetic surveys and digitized maps and grids. The index map shows the location and flight-line spacing of the original surveys. A tabular data table provides a summary of the sources. See section Illinois, Indiana, and Ohio Magnetic Compilation for a description of digital and digitized data.
Posted March 2008
For more information about this report contact: Pat Hill