ResourceRecommended practices manual : a guideline for maintenance and service of unpaved roads / Choctawhatchee, Pea, and Yellow Rivers Watershed Management Authority / [Gene Kearley, author ; assisted by Lawrence McCallister].
"To provide a written manual of standard procedures which describe and illustrate cost effective techniques and practices which can be used to enhance stability and maintenance of unpaved roadways while reducing sedimentation and improving the quality of ...