Special Collections at Murdoch University

Special Collections at Murdoch University

Our Special Collections are home to thousands of culturally significant, unique and hard to find items.
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Property of BJ (Crash) and BE (Beryl) Edwards, 'Brooklands Park', Kweda, Western Australia, Australia - 035

Property of BJ (Crash) and BE (Beryl) Edwards, 'Brooklands Park', Kweda, Western Australia, Australia - 035. [Document] [Special Collections]



Surveyor's Report on WISALTS Soil Conservation System created by BJ (Crash) Edwards.

Avon Location 19900 / Avon Location 21225.

Comments: This is a continuation of work undertaken on 25 June 1988. Number 1 bank is level 1 to 3 kilometres. Number 2 bank grades into the front of dam, 1.1 kilometres and 1.5 metre fall. Number 3 bank grades into small dam, is 2.5 kilometres long and 2 metre fall. Number 4 bank is almost level, 2.5 kilometres and 1 metre fall. Number 5 is almost level but drops 1 metre in the last 150 metres where it crosses a big throughflow, it is 1 kilometre long. Number 6 is level, is 1.1 kilometres long. Bank 7 is 0.8 kilometres. Bank number 8 is shown _|___|_ and is 0.6 kilometres long. Number 9 is level and 0.9 kilometres. Referring to bank number 8 above, it is really a shallow drain about 1 metre deep just slightly into the clay with the spoil pushed out first one side and then the other. The salt in the valley appears from some 35 to 40 drill holes up slope to be coming through in a north east direction from a valley further over in O'Meagher's paddock. There is a hard cement like layer which follows through from our boundary at a depth up to 10 to 12 cubic metres and in the creek bed is about 1.5 metres down. Number 5 has cut through a substantial flow of fresh water approximately 100 metres from the main creek line. When the bank was put in it was only 3 weeks after January rains (115 millimetres) but has been flowing ever since. It could be if it goes through into the next year another very good dam site. Number 7 bank links up through the fence to a grade bank in the adjoining paddock which is already feeding into a dam. The area below number 6 is quite long and may need intersecting with another bank but drilling has not revealed any major problems. The area below number 7 will almost certainly need a further bank in the future.

This document is part of the WISALTS (Whittington Interceptor Sustainable Agriculture Land Treatment Society Incorporated) Collection.

Date: 15 January 1990
Item Type: Special Collections
Collection: WISALTS Collection
URI: http://researchrepository.murdoch.edu.au/id/eprint/48177
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