Fish Creek in the NPR-A (IMAGE) U.S. Geological Survey Caption Fish Creek wanders through the National Petroleum Reserve-Alaska, a 22.8 million acre region managed by the Bureau of Land Management on Alaska's North Slope. USGS has periodically assessed oil and gas resource potential there. These assessments can be found here: https://energy.usgs.gov/RegionalStudies/Alaska/NPRA.aspx (Credit: David Houseknecht, USGS. Public domain.) Credit David Houseknecht, USGS Usage Restrictions None 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.