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Escherichia coli in the Santa Cruz River in Tumacácori National Historical Park, Arizona, https://t.co/Z2lsGdRCXq https://t.co/tuikzgTvzV
Escherichia coli in the Santa Cruz River in Tumacácori National Historical Park, Arizona, https://t.co/Z2lsGdRCXq https://t.co/tuikzgTvzV