Samenvatting
The purpose of this study was to determine parameters which influence the performance of volcanic cinders when used as a wearing surface for unpaved forest access roads.
The purpose of this study was to determine parameters which influence the performance of volcanic cinders when used as a wearing surface for unpaved forest access roads.
Klamatt Falls, Oregon Technical Institute, 1970, I + 20 p. + app., 4 fig., 1 tab., 9 ref.;
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