It's science

Mark Gard, U.S. Fish and Wildlife Service biologist, collects samples of sediment while surveying Beale Lake 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)

PHOTO BY: Staff Sgt. Alexandre Montes
VIRIN: 190712-F-BN304-0180.JPG
FULL SIZE: 6.09 MB
Additional Details

CAMERA

NIKON D850

LENS

70.0-200.0 mm f/2.8

APERTURE

56/10

SHUTTERSPEED

1/1000

ISO

160

IMAGE IS PUBLIC DOMAIN

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This photograph is considered public domain and has been cleared for release. If you would like to republish please give the photographer appropriate credit. Further, any commercial or non-commercial use of this photograph or any other DoD image must be made in compliance with guidance found at https://www.dimoc.mil/resources/limitations, which pertains to intellectual property restrictions (e.g., copyright and trademark, including the use of official emblems, insignia, names and slogans), warnings regarding use of images of identifiable personnel, appearance of endorsement, and related matters.