Building a fence, and unfortunately the grounds full of rock along the fence line. Get about 200mm down and I start hitting rock thats hard to pry out. Big floater occationally. And I gotta get down to 600mm! So I'm thinking jack hammer. Do you reakon I could hire an electric jackhammer to do the job for the day. Any good ? Thinking dig them as deep as I can go by myself. Then hire a jackhammer and some kid one day. Me smash the rocks up and get him to shovel to depth. ...

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