"The Causes of logging truck delays on two West Virginia logging operations. "; "Baumgras, John E."; "Logging--West Virginia.", "Log transportation--West Virginia."; "Baumgras, John E."; "1978"; "Serial issue. Issued as: United States. Department of Agriculture. Forest Service. Northeastern Forest Experiment Station. Forest Service research paper, NE-421 (1978). "; ""; "P15133"; "pec"; "Logging--West Virginia.", "Log transportation--West Virginia."; "14256"; .