Study

The most dramatic changes have been seen in the desert Southwest.

Yet the drug has not been shown to combat the virus in a multitude of other studies as well.

The study found that deer foraging declined by more than 10% from human activity at energy sites.

Contreras acted at the invitation of government attorneys representing the Department of Interior.

It's estimated about 1,000 grizzly bears and 900 wolves live in Montana, including Yellowstone and Glacier national parks.

The Wyoming Department of Transportation has studied the possibility in 2008 and 2009 but no action has been taken.

The findings are published in the latest edition of the academic journal of Conservation Science and Practice.

Support for marijuana use has been increasing since 2014.