U. S. D. A. Forest Service. (1992). Noise
monitoring - OHV event. Upper Lake, CA.
Abstract
Narrative description of methodology and data result of sound monitoring at a residence situated next to a sanctioned AMA enduro route during the event. All machines in the event passed a sound test prior to starting. The motorcycle noise was always identifiable even though it measured lower than background noise.
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A co-operative agreement between National Off-Highway Vehicle Conservation Council , USDA Forest Service, and the University of Georgia Warnell School of Forest Resources
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