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2008 Current Environmental Issue Study Guide"Recreational Impacts on Natural Resources"The study references
listed are not an exhaustive list of sources from which The Canon Envirothon, the national competition, has information listed on their website. You Area Envirothon test writer has provided the following study materials, please remember that this is not an exhaustive list: Ecological Impacts of Recreational Use of Trails Benefits of Parks and Recreation Rethinking the Impacts of Recreation Ohio Department of Natural Resources
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