The report: "Soils of the Nangiloc-Colignan area" was prepared by Ted Mikhail and John Martin of the former Department of Agriculture and Rural Affairs and was published in 1986. The report presents the results of a detailed soil survey of about 11 000 hectares of horticultural land near Mildura. The area is about 25 km long and up to 6 km wide and includes dune ridges, swales and river flats. It is adjacent to the Murray River and south-east of the Red Cliffs Irrigation District.
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