[Proceedings.
Contributors: Australasian Institute of Mining and Metallurgy. Illawarra Branch.
Publisher: Australasian Institute of Mining and Metallurgy, Illawarra Branch
Published: 1970
Place of publication: Wollongong, N.S.W.]
Language: eng
Subjects: Longwall mining -- Australia -- Congresses.
Notes: Includes bibliographies.
Cover title.
Held 24, 25 and 26 February, 1970.