The Crotty Creek project : the effects of strip thinning Eucalyptus regnans on water yield. First progress report. Pre-treatment phase - Flinn, D. W. (David William); O'Shaughnessy, P. J. (Patrick Joseph), 1936-; Moran, R. J. (Raewyn Judith) (Report (Melbourne and Metropolitan Board of Works), 1981)