Yellowstone National Park 2004-05 Winter Use Plan Air Quality Analysis of Snowmobile and Snowcoach Emissions: http://nps.gov/yell/technical/planning/winteruse/plan/reports/airquality04.pd... uploaded in Integrating Research and Education:Yellowstone.

Image 6229 is a 578 by 489 pixel JPEG
Uploaded: Mar2 06

Last Modified: 2006-04-04 14:52:58
Permanent URL: https://serc.carleton.edu/download/images/6229/emissions_chart_1141359823.jpg

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Graph taken from Air Quality Analysis of Snowmobile and Snowcoach Emissions (more info).
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