a few small nuggets

Yes risky ****.
My father was an old drill airleg operator i remember he would come home with his legs wrapped in towels from the cuts from the rocks hitting them .
We have a lease out of kalgoorlie with a couple of old Caterpiller 3T dozers 1945 ish rebuild 1 engine a couple of months ago after it hydrauliced & bent a rod nothing pushes dirt like them old girls.
Push & detect in Australia you have to rehab with furrows so the seeds catch in them & create regrowth.