1. Full PDF

7 MB

2. Introduction

623 KB

1. Leading States in Artificially Drained Agricultural Lands: 1978

30 KB

2. Leading States in Special Drainage Districts: 1977

31 KB

1. Selected Characteristics of Special Drainage Districts: Fiscal Year 1978 and 1977

87 KB

2. Artificial Drainage and Land Use of Agricultural Land: 1978

152 KB

3. Artificial Drainage and Land Use of Agricultural Land by Counties: 1978

6 MB