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| Abstracts of Recent Published Material on Soil and Water Conservation Published by: Beltsville, Soil and Water Conserv Res Div Agric Res Service Available at 1 Universities. | |||
| Agricultural Libraries Information Notes Published by: Beltsville, U.S. Department of Agriculture, National Agricultural Library (United States of America) Subject: Library And Information Sciences Language: English Published: 1975 ISSN: 0095-2699 Available at 3 Universities. | |||
