J. B. Fehrenbacher

• Christian County soils
• How to know your soils and manage them wisely
• Lawrence County soils
• Loess thickness and its effect on soils in Illinois
• Productivity indexes of soil associations in Illinois
• Soil associations of Knox County, Illinois
• Soil productivity in Illinois
• Soil survey
• Soil survey: Jersey County, Illinois
• Soils of Illinois
• Soils of Illinois
• Williamson County soils