Caroline Quarrier (r) and Brendon Quirk preparing to extract a soil sample from Stinson Prairie, Iowa. (IMAGE)

University of Massachusetts Amherst

Caroline Quarrier (r) and Brendon Quirk preparing to extract a soil sample from Stinson Prairie, Iowa.

Caption

Caroline Quarrier (r) and Brendon Quirk preparing to extract a soil sample from Stinson Prairie, Iowa.

Credit

Isaac Larsen

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