Plans & Studies: Backcountry
Fly-In Recreation Visitor Study (2004 data collection, 2005 final report)
Survey of Overnight Backcountry Visitors (2000 data collection, 2002 final report)
Did You Know?
Visibility is an important component of measuring Denali's air quality. Visibility data, such as that from the Wonder Lake camera, supplements chemical data from filter samples. Air here is still clean, but traces of pollution from local, regional and international sources exists on filter samples.