EF497DD9-1DD8-B71B-0BB6E8A88CD4D57A

Helicopter at Slough Creek

Helicopter at Slough Creek

Helicopters play a big role in managing wildfire, allowing managers to monitor a fire's progress and drop water if needed to control a fire's edges. NPS/Neal Herbert.

U.S. National Park Service

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Yellowstone National Park, Code: YELL

Yellowstone National Park

NPS.gov Collection

9/1/2016 12:46:57 PM

Public Can View

Wednesday, January 10, 2018 11:52:47 PM

Wednesday, January 10, 2018 11:52:47 PM

EF4A5DEB-1DD8-B71B-0BB986F0AC94D9A0.jpg

Canon Canon, Canon EOS 5D Mark III 400, EF100-400mm f/4.5-5.6L IS USM

1/320 sec at f / 6.3

100 mm

ISO 400

Thursday, September 1, 2016 6:46:57 PM

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14.1 MB

Scenic