Papers presented ...
Subtitle: April 7th, 8th, 1970.
Contributors: Armidale, Australia. University of New England. Dept. of University Extension.
Publisher: Namoi Regional Office, Dept. of University Extension, University of New England
Published: 1970
Place of publication: [Armidale, N.S.W.]
Language: eng
Subjects: Water resources development -- Australia -- Gwydir River Valley (N.S.W.) -- Congresses.; Irrigation -- Australia -- Gwydir River Valley (N.S.W.) -- Congresses.