Photographs, negatives, slides, maps, handwritten notes, correspondence, reports, field notes, drawing and surveys, meeting minutes, reports, newspaper cuttings.

Technical drawings of underground mining equipment and two reports on overseas study trips taken by Oscar J. Blau, Standards Engineer, Zinc Corporation, Broken Hill, New South Wales.

Issue of "The Tropic of Capricorn", the newsletter of Capricorn Conservation Council. The front of the newsletter describes it as "March, 1986 edition, Newsletter No 21, Registered Publication No. QBH 37509". The front page is a full-page hand drawing of a waterhole surrounded by trees with mountains in the distance, and various native fauna, with text superimposed over it. It has a sticker with the direction "Trades and Labour Council of Qld" and the name of the General Secretary and mailing address. The articles describe various locations in Australia and give updates on the activity concerning them, whether deemed to be harmful or not to the environment.