Culverts, Ord River region (W.A.), Western Australia
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ON farms irrigated by surface methods it is essential to provide crossings over channels and drains.
These crossings must be wide and strong enough to take the biggest farm machinery.
Cole, K S.
"Crossings for channels and drains in the Ord River area,"
Journal of the Department of Agriculture, Western Australia, Series 4: Vol. 5
, Article 8.
Available at: https://researchlibrary.agric.wa.gov.au/journal_agriculture4/vol5/iss7/8