[Prepared jointly by Cooperative Extension Service, Ohio State University, Ohio Agricultural Research and Development Center, and Ohio Department of Natural Resources, Division of Lands and Soil. Supersedes Ohio drainage guide of 1965]
Notes:
[Prepared jointly by Cooperative Extension Service, Ohio State University, Ohio Agricultural Research and Development Center, and Ohio Department of Natural Resources, Division of Lands and Soil. Supersedes Ohio drainage guide of 1965] ‡ Official Use. Not Available.