A. E. Kocher

1877

• Soil survey of Benton County, Washington
• Soil survey of Clackamas County, Oregon
• Soil survey of Josephine County, Oregon
• Soil survey of the Grande Ronde valley area, Oregon
• Soil survey of the Wenatchee area, Washington
• Soil survey, Deschutes area, Oregon
• Soil survey, the Coachella Valley area, California