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- Author:
- Box, T.W.
- Subject:
- tillage , arid lands , land policy , soil erosion , national forests , forage , wildlife , water , history , United States
- Physical description:
- p. 131-134.
- Collection:
- Rural Development Publications Collection
- Series:
- Yearbook of agriculture
- Part Of:
- Yearbook of agriculture. 1987
- Author:
- Strommen, N.D. , McArdle, R.C.
- Subject:
- climatic zones , weather , land , wind , water , solar energy , crops , tillage , irrigation , United States
- Physical description:
- p. 238-242.
- Collection:
- Rural Development Publications Collection
- Series:
- Yearbook of agriculture
- Part Of:
- Yearbook of agriculture. 1987
