A sign warns about the electronic fish barrier at the outlet of Lower Gar Lake near Milford, Iowa, on July 30. The device has successfully stemmed the invasion of Asian carp, officials say.
Tim Hynds, Sioux City Journal
Mike Hawkins, an Iowa Department of Natural Resources fisheries biologist, stands at an electric fish barrier at the outlet of Lower Gar Lake near Milford, Iowa, on July 30. The barrier keeps Asian carp from entering the Iowa Great Lakes system from Milford Creek and the Little Sioux River.
Tim Hynds, Sioux City Journal
John Wittkamp, left, and Ethan Millard clean perch for customers on July 30 at Stan's Bait & Tackle in Milford, Iowa. The invasive Asian carp threatened the Iowa Great Lakes fishing and tourism industry. The carp crowd out other species.
Tim Hynds, Sioux City Journal
Mike Hawkins, an Iowa Department of Natural Resources fisheries biologist, talks about the computerized controls that operate an electric fish barrier at the outlet of Lower Gar Lake near Milford, Iowa, on July 30. The barrier keeps Asian carp from entering the Iowa Great Lakes system from Milford Creek and the Little Sioux River by creating electronic pulses in the water that repel fish.
The road crossing Gavins Point Dam near Yankton will be closed much of next week during a construction project.
A sign warns about the electronic fish barrier at the outlet of Lower Gar Lake near Milford, Iowa, on July 30. The device has successfully stemmed the invasion of Asian carp, officials say.
Mike Hawkins, an Iowa Department of Natural Resources fisheries biologist, stands at an electric fish barrier at the outlet of Lower Gar Lake near Milford, Iowa, on July 30. The barrier keeps Asian carp from entering the Iowa Great Lakes system from Milford Creek and the Little Sioux River.
John Wittkamp, left, and Ethan Millard clean perch for customers on July 30 at Stan's Bait & Tackle in Milford, Iowa. The invasive Asian carp threatened the Iowa Great Lakes fishing and tourism industry. The carp crowd out other species.
Mike Hawkins, an Iowa Department of Natural Resources fisheries biologist, talks about the computerized controls that operate an electric fish barrier at the outlet of Lower Gar Lake near Milford, Iowa, on July 30. The barrier keeps Asian carp from entering the Iowa Great Lakes system from Milford Creek and the Little Sioux River by creating electronic pulses in the water that repel fish.