https://extension.oregonstate.edu/crop-production/field-crops/guide-oregon-county-soil-survey-reports
Guide to Oregon county soil survey reports | OSU Extension Service
Jun 24, 2024 - In the 1970s, soil scientists started gathering information about Oregon soils by digging hundreds of holes, observing the landscapes and recording...
soil survey reportsguide tooregon countyosu extensionservice