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● ● 738 738 738 738 738 738 738 Perth Walnut bioclimatology map 15 o S 25 o S Mundubbera ● Stanthorpe ● Goondiwindi ● ● Bingara Grafton Narrabri ● ● ● Armidale Kempsey ● ● ● Narromine Dubbo Hillston Forbes Orange ● Donnybrook ● Margaret River ● ● Renmark Griffith Mildura ● Manjimup ● ● ● Angaston 35 o S Deniliquin ● Shepparton ● Unsuitable Ballarat ● ● Low potential soil ● High potential soil ● Irrigation area River catchment Chill portion contours ● Swansea ● Oct−April average rainfall contour Maydena ● 738 mm 120 o E 130 o E 140 o E 150 o E
