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Quaternary Geology

MN Geological Survey
As Needed

This data layer depicts the Quaternary geology of Minnesota at the 1:500,000 scale. It was developed by the Minnesota Geological Survey (map S1) and includes the surficial geology from the Pleistocene (glacial) and Holocene (post-glacial) epochs. The type and distribution of geological materials at the land surface affects the distribution and character of groundwater, surface water, organisms, and natural processes.

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