"1"^^ . . "1971"^^ . . . . . "Australia 1:250,000 geological series Sheet SH 51-15, Zanthus / compiled by Geological Survey of Western Australia ; published by the Bureau of Mineral Resources, Geology and Geophysics, Department of National Development ; geology by D.C. Lowry 1965, J.J.G. Doepel and P.R. Koehn 1968 / Canberra : Bureau of Mineral Resources, Geology and Geophysics, Dept. of National Development , 1971" . . . . . . . . . .