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template is PDF
A progress report of alkali land reclamation investigations in eastern Oregon
template is PDF
Liming western Oregon soils
template is PDF
Measurement of water
template is PDF
Soils of Willamette series and their utilization
template is PDF
The " Red Hill" soils of western Oregon and their utilization
template is PDF
The economic limit of pumping for irrigation: with special reference to Willamette Valley
template is PDF
Twenty-five years of supplemental irrigation investigations in Willamette Valley