Quaternary geologic map of Indiana

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This large-format color map depicts the surficial geologic materials deposited during Quaternary time. The map classifies deposits as being from Holocene, Wisconsinan to Holocene, or Pre-Wisconsinan age. Areas with little or no Quaternary deposits are also shown.

Scale: 1:500,000; Size: 31" x 43".

Pair this map with the Bedrock Geologic Map of Indiana (MM48) to see the full picture of Indiana geology.