Dec 31, 1984
Open File Report
… R.W. (1985): Soils and soil erosion in the Tri-Creeks … Report 1986-04 … Soils and Soil Erosion in the Tri Creeks …
Dec 31, 1973
Earth Sciences Report
Dec 31, 1979
Bulletin
… agriculture, engineering and erosion hazards. Four appendices …