1. Full PDF

27 MB

2. Introduction

3 MB

1. Drainage projects - Number, area, cost, and works, 1920 to 1960

14 MB

1. Drainage projects - Number, area, cost, and works: Censuses of 1920 to 1960

131 KB

2. Drainage projects, by size: Census of 1960

109 KB

3. Drainage projects, by type of organization: Census of 1960

110 KB

4. Drainage projects, by year of organization: Census of 1960

59 KB

5. Drainage projects area, size, and type of organization, 1960; and drainage operations, 1950 to 1959; by States

307 KB

6. Number of drainage projects, by States: Censuses of 1920 to 1960

132 KB

7. Land in drainage projects, and land in farms, by States: Censuses of 1920 to 1960

178 KB

8. Land in drainage projects, and total area of individual projects, 1920 to 1960; areas served by two or more projects, 1960; and overlapped areas, 1920 to 1950; by States

172 KB

9. Cost of drainage, by States: Censuses of 1920 to 1960

150 KB

10. Types of drainage works, by States: Censuses of 1920 to 1960

212 KB

11. Drainage projects by size, by States: Censuses of 1920 to 1960

504 KB

12. Drainage projects by type of organization, by States: Censuses of 1920 to 1960

261 KB

13. Area drained by year drainage was established, 1960; and drainage projects by year of organization, Censuses of 1920 to 1960; by States

276 KB

1. Map of conterminous United States showing location of land in drainage projects, 1960

1 MB

1. Location of Land in Drainage Projects, 1960

6 MB

1. Drainage projects, 1960 and 1950; and operations, 1950 - 1959

14 MB

1. Appendixes

425 KB