Hungry Horse Dam, one of the biggest dams that blocks bull trout movements in Northern Montana. Note that biologists say this dam actually prevents non-native fish from moving upstream here, which today is a good thing. No fish ladder or passages were incorporated into this or any other dam in this region at the time they were built.



Oil booms were deployed to defend Cat Island, Louisiana (an important bird rookery) from the Deepwater Horizon oil spill. They proved largely ineffective.



A recently installed cattle guard in a pasture near Valparaiso, Nebraska.



A cattle guard being installed at a pasture near Valparaiso, Nebraska.

Photo: Julie Jensen Director of Marketing | WVC O: 866.800.7326 | D: 702.443.9249 | E:

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