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Courtney Laboratory
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Gregory W. Courtney
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Iowa - McFarland Park
Early spring @ McFarland
Creek @ McFarland Park
Small tributary @ McFarland
Collecting @ creek in McFarland
McFarland Lake
Sorting samples from lake
Sorting more samples
Still sorting
Springtails from lake margin
Ranatra (Nepidae)
Chrysemys @ McFarland Lake