Frye, Wilber W books & textbook
Agricultural Soil Loss: Processes, Policies, And Prospects
Harlin, John Berardi, Gigi M Moldenhauer, W C Frye, Wilber W Welch, Norman H
Westview Press /1987-05-20 Paperback / 369 Pages
isbn-10: 0813371945 / isbn-13: 9780813371948
