Soils and land use study guide
Oregon Envirothon Soils Test Keys:
Learning Resources:
Students can obtain free samples of soil textures through the Natural Resources Conservation Service National Cooperative Soil Survey Lab. To request your samples, please contact us.
(click image to download manual)
Smithsonian Environmental Research Center Dig it! The Secrets of Soil
National Soil Survey Center
Field Book for Describing and Sampling Soils
Linking Soils to Ecosystem Services
Web Soil Survey
Official Soil Series Descriptions
OSU Extension soil publications
USFS Soil Quality Monitoring protocol
NRCS Soil Texture Calculator
NRCS Hydric Soils
Oregon Soil Survey Manuscripts
Oregon Soil Judging Manual
From the Surface Down
Soil Formation and Classification
Protecting Your Land From Erosion
