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92. Koo-Wee-Rup North - Main Drain

This information has been developed from one or more of these publications:

  • Sites of Geological and Geomorphological Significance in the Westernport Bay Catchment (1984) by Neville Rosengren.
  • Sites of Geological and Geomorphological Significance in the Western Region of Melbourne (1986) by Neville Rosengren
  • Sites of Geological and Geomorphological Significance on the Coast of Port Phillip Bay (1988) by Neville Rosengren.
  • Sites of Environmental Significance in the Flood Plain of the Upper Yarra Valley Region (1983) by Neville Rosengren, Douglas Frood and Kim Lowe (as part of a study of Sites of Environmental Significance by the University of Melbourne for the then Upper Yarra Valley and Dandenong Ranges Authority).
Geological heritage sites, including sites of geomorphological interest and volcanic heritage sites, are under regular revision by the Geological Society of Australia, especially in the assessment of significance and values. Reference should be made to the most recent reports. See the Earth Science Heritage section of the Geological Society of Australia website (external link) for details of geological heritage reports, and a bibliography.


Location:

Bayles - 710748. Four kilometres north of Bayles on the Bunyip Main Drain.

Access:

Main Drain Road North.

Ownership:

Crown Land.

Geomorphology:

The channel of the main drain carries a bed load of coarse sand and minor gravel that gives the channel a braided form. The accumulation of the sands impedes that water flow in the drain and it has long been necessary to dredge the channel to allow proper drainage. A sand pump is maintained at Koo-Wee-Rup North to perform this operation.

Significance:

Regional. The site demonstrates the capacity of the drains to transport coarse materials across former swamplands and is an indication of the origin of the old sandy levee banks and ridges in the Bayles district.

Management:

Class 3. Changes in land use will not alter the nature or significance of the site.
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