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Lib #	Duration	Title:
18-1	22 min	Blading Unpaved Roads Videotape is designed to teach operator trainees to understand basic concepts of the construction and maintenance of unpaved roads, perform the required daily maintenance on a motor grader, and operate the grader to maintain unpaved roads.
18-2	43 min	Geotextile Installation on Gravel Roads Video shows several installations of geotextiles on Oklahoma gravel roads. It is used to correct soft roads, rutting, and washboarding conditions.
18-3	55 min	Problems Associated With Gravel Roads (Parts 1-3) This video will help local agencies recognize common problems with gravel roads, understand the causes and learn how to prevent or correct them. The three parts discuss environment and materials; causes, prevention and correction of problems; and maintenance equipment and techniques.
18-4	29 min	Maintaining Gravel Roads in Arkansas Videocassette discusses the various steps necessary to properly maintain a gravel or rock road — profile, drainage, and surface maintenance.
18-5	12 min	Patching Unpaved Roads A manual method is described for repairing surface defects such as potholes, ruts, gullies, and soft spots on unpaved roads. An eight-step procedure provides for a long-lasting repair. The proper maintenance practices for preparing the hole, filling it with granular material, and compacting the material are detailed. A quick test for moisture content is also described.
18-6	18 min	Regraveling Videocassette discusses the planning and coordination to restore wearing surfaces. Noted are the repairs necessary prior to regraveling. Equipment and materials are outlined. A six-step regraveling procedure is presented: placing traffic controls, reshaping and compacting the subgrade, hauling and placing granular material, spreading and compacting the material, and removing traffic control devices.