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Filtering by: Advisor Corden, M. E. Academic Affiliation Soil Science

The nature and properties of amorphous colloids formed from Mazama tephra

Creator:

Dingus, Delmar DeLee

Abstract:

Soil samples from the Mazama tephra deposit were collected from the AC and C2 horizons at five different locations along the axis of the main depositional lobe. The clay fraction from the samples was recovered and studied by means of chemical, x-ray, DTA and electron microscopy methods in order to...

Resource Type:

Dissertation

Full Text:

author wishes to express his appreciation to Dr. M. E. Harward who has given generously of his time and
Genesis, mineralogy, and properties of Parkdale soils, Oregon

Creator:

Harris, Billy Lynn

Resource Type:

Dissertation

Full Text:

SOILS, OREGON Abstract approved: Redacted for privacy M. E. HarwCkrd Prior to the present studies
Mineralogy and trace element chemistry of Mazama ash soils

Creator:

Dudas, Marvin Joseph

Resource Type:

Dissertation

Full Text:

CHEMISTRY OF MAZAMA ASH SOILS Abstract approved: Redacted for Privacy/ M. E. Harward Investigations were
The dispersion of some amorphous and crystalline clays

Creator:

Hickman, John S.

Resource Type:

Masters Thesis
Sediment characteristics in storm runoff from an agricultural watershed

Creator:

Laird, David Alan

Resource Type:

Masters Thesis

Full Text:

Agricultural Watershed Abstract approved: Redacted for Privacy /Dr. M. E. Harward The physical
The effects of gypsum on infiltration and surface properties of some western Oregon soils

Creator:

Pronold, Michael Joseph

Abstract:

The effects of broadcast gypsum on infiltration rates, crusting, aggregate stability, and runoff and sediment yields were analyzed during the winter months on three West Oregon soils. The results were used to evaluate its utility as a management tool to help control erosion. An application rate of two metric tons...

Resource Type:

Masters Thesis

Full Text:

for Privacy Dr. M. E. Harward The effects of broadcast gypsum on infiltration rates, crusting