![USACE Buffalo on Twitter: USACE Buffalo on Twitter:](https://pbs.twimg.com/media/DiegeodX4AAnQ_q.jpg:large)
USACE Buffalo on Twitter: "#WaterThursday #ExtendedWaterWednesday #USACE uses Ordinary High Water Mark to determine federal jurisdiction over waters of the U.S. Look for a clear, natural line on the bank, shelving, changes
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The surprising rhythms of Leopards: Females are early birds, males are nocturnal – University of Copenhagen
![PA Department of Community & Economic Development on Twitter: PA Department of Community & Economic Development on Twitter:](https://pbs.twimg.com/media/ENS_S5TWkAEYNVb.jpg)