This full-color map shows topographic texture and geologic age of bedrock for the continental United State.
24-page booklet accompanies map.
2000, A tapestry of time and terrain: U.S. Geological Survey Miscellaneous Item 22
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This item is no longer available. Please contact the Indiana Geological and Water Survey Publication Sales Office for more information. Many IGWS publications are available through local libraries.
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Indiana Geological Survey
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