Larry C. Brown
Extension Agricultural Engineer
Agricultural Engineering Department
Jodi L. Stearns
Wood County, Ohio
The contributions of Byron H. Nolte, Professor Emeritus and former Extension Agricultural Engineer, are gratefully appreciated.
Partial support for this publication was provided by the Water Resources Educational Materials Project funded by the Innovative Grant Program of the Ohio Cooperative Extension Service, and the Overholt Drainage Education and Research Program, Department of Agricultural Engineering, The Ohio State University.
The authors thank the following for their review of this publication: Robert Holmes, Professor, Department of Agricultural Engineering, The Ohio State University; Leonard Black, Water Resource Planner, Division of Water, ODNR; Kevin Elder, Project Coordinator, Division of Soil and Water Conservation, ODNR; Joseph W. Diemert, Private Attorney, Cleveland, OH.
A special thanks is given to Judy Kauffeld and Lauren V. Farr (Section of Information and Applied Communications, OCES) for editorial and graphic production.
Copyright © The Ohio State University 1991
All educational programs conducted by Ohio State University Extension are available to clientele on a nondiscriminatory basis without regard to race, color, creed, religion, sexual orientation, national origin, gender, age, disability or Vietnam-era veteran status.
Keith L. Smith, Associate Vice President for Ag. Adm. and Director, OSU Extension.
TDD No. 800-589-8292 (Ohio only) or 614-292-1868