16mm Filmography
Sign in Register

Drainage

Demonstrates methods of constructing ditches and open and covered culverts. Stresses the importance of drainage.

More in In KNOW YOUR SOIL seriesIES

  1. Drainage
  2. FERTILIZER MATERIALS
  3. IRRIGATION
  4. SOIL JUDGING
  5. SOIL SURVEY
  6. SOIL WATER

Related films

Sources

  1. A-V Online (National Information Center for Educational Media). CD-ROM database of educational and documentary media, compiled and maintained by the National Information Center for Educational Media (NICEM). — title, creator, length, format, sound, description
  2. 16mm Filmography (legacy record) — catalog record
  3. Educational film guide. Supplements (1959-62) — title, catalog record

Original permalink · Record added 2023-02-27 02:17:46