Incoming Resources
- Soil erosion and how to prevent it, Natalie Hyde
- Grass, soil, hope, a journey through carbon country, Courtney White ; foreword by Michael Pollan
- Grass, soil, hope, a journey through carbon country, Courtney White
- Depleted & contaminated soil and your food supply, Carol Hand
- Soil erosion and conservation, R.P.C. Morgan
- Keeping the land alive, soil erosion--its causes and cures, by Hubert W. Kelley ; sponsored by German Agency for Technical Cooperation (gtz), [and] Soil Resources, Management, and Conservation Service, Land and Water Development Division