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Soil Erosion on Logging Roads¹

ABSTRACT

In rugged mountainous country, skid roads used in logging operations cause serious erosion. To determine the important factors in skid-road erosion, and to find ways to reduce this erosion, sample skid roads were studied before, during, and after experimental logging operations on the Fernow Experimental Forest in West Virginia.

Erosion was related to grade, length of slope, intensity of use, soil, vegetation, and climatic factors. Degree of erosion was determined for different skid-road conditions.

Measures for reducing erosion are recommended for use in locating, constructing, using, and maintaining skid roads. Drainage measures such as diversion ditches and water bars are essential. Spacings for water bars are recommended for different grades.

¹ Presented before Division V-A, Soil Science Society of America, Cincinnati, Ohio, November 21, 1952.

² Research foresters, Northeastern Forest Experiment Station, Forest Service, U. S. Department of Agriculture, stationed at the Mountain State Research Center, Elkins, West Virginia.

Received for publication December 5, 1952.