Johnson, L. K. Off-road vehicle use and its impact on soils and vegetation on Bureau of Land Management lands along the Denali Highway, Alaska: A report on the 1975 outdoor recreation survey. [Alaska]: Agricultural Experiment Station, University of Alaska.
Chicago Style CitationJohnson, Leonard K. Off-road Vehicle Use and Its Impact On Soils and Vegetation On Bureau of Land Management Lands Along the Denali Highway, Alaska: A Report On the 1975 Outdoor Recreation Survey. [Alaska]: Agricultural Experiment Station, University of Alaska.
MLA CitationJohnson, Leonard K. Off-road Vehicle Use and Its Impact On Soils and Vegetation On Bureau of Land Management Lands Along the Denali Highway, Alaska: A Report On the 1975 Outdoor Recreation Survey. [Alaska]: Agricultural Experiment Station, University of Alaska.