Erin Sampling in Polecat Creek (IMAGE) Umea University Caption This is Erin Hotchkiss sampling in Polecat Creek in Wyoming, USA. Credit Erin Hotchkiss Usage Restrictions This photo may only be used in contexts related to this press release. License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.