William Norton, Air Force Civil Engineer Center installation support section archeologist, survey the land that will be used to transport equipment that will be used to modify the Beale Lake dam at Beale Air Force Base, California, July, 10, 2019. With the collaborations of the U.S. Air Force and the FWS, Beale Lake is being surveyed for renovations to remove its dam, helping the endangered salmon and steelhead swim upstream increasing migration. (U.S. Air Force Photo by Staff Sgt. Alexandre Montes)