I have found that under these circumstances you need 2 recovery methods. It can be a wide variety of methods but you need two eg snatch and hi lift, winch and bullbag, snatch and shovel and mats,etc etc
Our whole club got stuck one day in "vomit" country near Mudgee.
There was a crust about 80MM deep and under was porridge.
First to bog was a Disco 1 with a 12,000Lb winch. He tried to pull out but just sailed along on his belly , building up mud to almost window level on one side. BTW the first attempt was by snatch which broke at the loop and took out the recoverer's tailgate.
We placed my bullbag under the front , inflated it to lift , then rolled over it with the winch. After a short time the suction broke and the front lifted out.
IMHO the main problem wit the Cherokee was that they were pulling sideways against wheels that were fully sunk.
My interpretation of the material they were bogged in was overburden from a mine. Fine silt accumulates at the base of the "mullock heaps" and has no structure to give a base. I believe they would have eventually got it out backwards if they had shovelled and persevered. BUT who knows.
Regards Philip A



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