In August, September and October 1966 the Victorian Department of Agriculture carried out a cloud - seeding operation in Western Victoria. G. O'Mahony of the Central Office, Bureau of Meteorology, made an assessment of the operation and concluded: "There is no evidence in the present case which points to the rainfall having been affected in any way by the silver iodide". The results of the original assessment and a closer examination of O'Mahony's a ssessment show that this conclusion is invalid.
E.E. Adderley (Sat,) studied this question.
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