1978 Census of Agriculture: Special reports [pts. 1, 3-9]: pt.1. Graphic summary. pt.3. Coverage evaluation. pt.4. Special reports. Procedural history. pt.5. Drainage of agricultural lands. pt.6. 1979 farm finance survey. pt.7. 1979 census of horticultural specialties. pt.8. 1979 farm and ranch irrigation survey. pt.9. 1979 farm energy