Sampling in the Grand Canyon High Flow Experiment

(Credit: Justin Pressfield, U.S. Geological Survey. Public domain.)
Detailed Description
USGS Aquatic Ecologist Ted Kennedy sampling invertebrate and organic drift at Lees Ferry during the November 19, 2012 HFE.
Details
Image Dimensions: 5184 x 3456
Location Taken: Grand Canyon, AZ, US