Study results of 9 sites used by off-road vehicles that illustrate land modifications /

Bibliographic Details
Main Author:	Wilshire, Howard Gordon, 1926-
Corporate Authors:	Desert Protective Council, Desert Protective Council. Educational Foundation
Format:	Book
Language:	English
Published:	Palm Springs, Calif. : Desert Protective Council, [1978]
Series:	Open-file report / United States Geological Survey ; 77-601
Subjects:	All terrain vehicles > Environmental aspects. Motorcycles > Environmental aspects. Trafficability.

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