Wildland Recreation, Resource Impacts and the Wilderness Movement Lecture 1 Sep , 2005 - PowerPoint PPT Presentation

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Wildland Recreation, Resource Impacts and the Wilderness Movement Lecture 1 Sep , 2005

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Impacts on water quality interrelationships with other types of impacts ... waste, industrial wastewater, and car exhaust. ... Values below 7 are acidic, ... – PowerPoint PPT presentation

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