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Gilliam, Louis L.
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Map.pdf
Creator:
Oregon State College. Agricultural Experiment Station
,
Hill, William W.
, and
Powers, W. L. (Wilbur Louis), b. 1887
StationBulletin530.pdf
Creator:
Oregon State College. Agricultural Experiment Station
,
Hill, William W.
, and
Powers, W. L. (Wilbur Louis), b. 1887
Full Text:
Prepared by William W. Hill State Soil Scientist, Soil Conservation Service and W.
L
. Powers Soil
KeyWillametteValleySoilsChart.pdf
Creator:
Torgerson, E. F. (Edward Fritchoff), 1888-
,
Powers, W. L. (Wilbur Louis), b. 1887
, and
Oregon State Agricultural College. Agricultural Experiment Station
Full Text:
, gnaatu,no a,1!! clay ! yuan to ag!,! larown ala! Ito alukI!'! 000!
l
!o-of ''ohy!'' !'a!laacio!a mawr clay
StationCircular90.pdf
Creator:
Torgerson, E. F. (Edward Fritchoff), 1888-
,
Powers, W. L. (Wilbur Louis), b. 1887
, and
Oregon State Agricultural College. Agricultural Experiment Station
Full Text:
Meaning and Use of Willarnette Soil Survey By E. F. TORGERSON and W.
L
. POWERS Soils vary greatly, and
Willamette-UmpquSoils.jpg
Creator:
Powers, W. L. (Wilbur Louis), b. 1887
,
Torgerson, E. F. (Edward Fritchoff), 1888-
,
Dannen, E. V. (Eugene Verle), 1914-
, and
Oregon State College. Agricultural Experiment Station
StationCircular175.pdf
Creator:
Powers, W. L. (Wilbur Louis), b. 1887
,
Torgerson, E. F. (Edward Fritchoff), 1888-
,
Dannen, E. V. (Eugene Verle), 1914-
, and
Oregon State College. Agricultural Experiment Station
Full Text:
By W.
L
. Powers E. F. Torgerson E. V. Dannen FOREWORD It is not wise, nor even possible, to
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Oregon State College. Agricultural Experiment Station
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Torgerson, E. F. (Edward Fritchoff), 1888
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Hill, William W.
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