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Imagine dialing 911 and the voice on the other hand says: Sorry. Due to budget cuts, no one can help you. Well, that's the reality for tens of thousands of people in rural Oregon. Many counties in the state have cut public safety budgets due to the loss of vital timber payments. That's money from the federal government paid to counties with large national forests - in other words, land that can't be taxed.
Researchers at Crater Lake National Park in southern Oregon have spent the past two years documenting the park's natural sound. Often, microphones will pick up the sound of falling trees, elks snacking and coyotes howling.
In even the most remote parts of the park, however, researchers are also hearing airplane noise 15 percent of the time.