Notes:
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From 1980/81 the Annual report of the Commissioner of Soil Conservation of the Department of Agriculture included. Includes report from : Irrigation and Drainage Branch, Rangeland Management Branch, Salinity and Hydrology Branch.
[Continues:Western Australia. Dept. of Agriculture. Soils Division. Annual report.]
[Continues:Western Australia. Dept. of Agriculture. Soil Conservation Service. Annual report 1981.]
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