This map was prepared for emergency planners and educators as a simplified guide to the distribution and classification of National Earthquake Hazards Reduction Program (NEHRP) soil types in Indiana. Liquefaction potential is displayed as either low, moderate, or high. County names, hydrological features, and roadways are provided as recognizable reference points. A smaller version of map, IGS MM81 (scale, 1:1,193,061), is also available. 1" = 8 miles 26" x 41"
Gray, W. E., Parke, M., and Steinmetz, J. C. 2012, Map of Indiana showing liquefaction potential of surficial materials: Indiana Geological Survey Miscellaneous Map 86, scale 1:500,000.
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