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Anyone know whow what this marker is?
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<blockquote data-quote="Village" data-source="post: 46355" data-attributes="member: 1900"><p>Guys</p><p></p><p>Core Holes are normally less then 4" to be honest, there are only two or three sizes over this, rarely used in core sampling any more, people get lazy, 1 metre length of solid rock can weight. I would more then likely say you would be best to call your local water bore contractor, Murray I think it is there, and ask him. By the looks of your photo the cap is about 10 to 12".</p><p></p><p>These days with GIS, hardly no one leaves a marker for holes. The core is so you don't have to go back, you spilt it in half, assay one half, store the other for future reference. Back fill the hole or collapse the hole by other means. I don't know anyone that bury's a steel marker anymore. I think surveyors even gave it up 20 years ago.</p><p></p><p>But I would calls Murray's I think he'll have the answer for you.</p></blockquote><p></p>
[QUOTE="Village, post: 46355, member: 1900"] Guys Core Holes are normally less then 4" to be honest, there are only two or three sizes over this, rarely used in core sampling any more, people get lazy, 1 metre length of solid rock can weight. I would more then likely say you would be best to call your local water bore contractor, Murray I think it is there, and ask him. By the looks of your photo the cap is about 10 to 12". These days with GIS, hardly no one leaves a marker for holes. The core is so you don't have to go back, you spilt it in half, assay one half, store the other for future reference. Back fill the hole or collapse the hole by other means. I don't know anyone that bury's a steel marker anymore. I think surveyors even gave it up 20 years ago. But I would calls Murray's I think he'll have the answer for you. [/QUOTE]
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Anyone know whow what this marker is?
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