posted on 2018-08-07, 02:08authored byRoger Barrington Wickes
<div>Lecture given by Mr Roger B. Wickes, Chief, Soil & Water Conservation Branch, Department of Agriculture, South Australia at the Waite Campus, University of Adelaide, 31.5.1991.</div><div><br></div><p>This lecture is part of the Campus Seminars and Distinguished Lecturer
Series, Waite Campus, University of Adelaide, 1991 – 1997. </p>
<a href="https://figshare.com/projects/Campus_Seminars_and_Distinguished_Lecturer_Series_Waite_Campus_University_of_Adelaide/17756">https://figshare.com/projects/Campus_Seminars_and_Distinguished_Lecturer_Series_Waite_Campus_University_of_Adelaide/17756</a>