FROM THE GROUND UP
Sign in to track this film in your collection or want list.
✎ Suggest a correctionShows the work of soil surveyor in studying and mapping farm soils. Explains importance of productive soil to populations of the world. Shows a soil conservationist using the information gained on a survey to help a farmer develop his conservation farm plan.
Sources
- usgov-av-1974 — title, year, creator, length, color, sound, description
Record added 2026-07-02 04:14:59 · Suggest a correction