Soils
Northwest Resources
- List of Published Soil Surveys for Washington
USDA-NRCS - List of Published Soil Surveys for Oregon
USDA-NRCS - List of Published Soil Surveys for Idaho
USDA-NRCS - Soil Compaction in Western Oregon Vineyards
Oregon State University - Soil Sampling for Home Gardens and Small Acreages
Oregon State University - Manual for Judging Oregon Soils
Oregon State University - Soil Test Interpretation Guide
Oregon State University - A List of Analytical Laboratories" width=25 height=25 border=0 alt="Get Acrobat Reader">
Oregon State University
U.S. Resources
- Natural Resource Ecology Laboratory
Colorado State University - Glossary of Soil Science Terms
Soil Science Society of America - USDA Natural Resources Conservation Service
Information Related to Site Selection
U.S. Resources
- USGS topographical maps for anywhere in the U.S.
Topozone.com