"Design and Construction of Small Earth Dams" by KD Nelson, Inkata Press, Melbourne1985. ISBN 0 909605 34 3 "Farming in Ponds and Dams - An Introduction to Freshwater Aquaculture in Australia" by Nick Romanowski, Lothian, Melbourne, 1994, ISBN 0 85091 630 5 (this author has produced many fine titles that are permaculture-based "Farm Water Supplies - Planning and Installation" by Neil Southorn, Inkata Press, Melbourne, 1995, ISBN 0 7506 8912 9 Also any of the PA Yeomans books eg. The Keyline Plan (1954), The Challenge of Landscape (1958) - my favorite, The City Forest (1971), Water for Every Farm (1966, 1968 & 1993). Permaculture: A Designer's Manual Bill Mollison 'Rural Property Planning Land Care' by Bill Matheson, ISBN 0 7506 8916 1, published by Inkata Press.