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Title: 1975 Kia Ora GML 774E Mine Survey
Title Holder / Company: Not Given
Report id: CR1975-0170
Tenure: GML774E
Year: 1975
Author: Howard, JP
Abstract: A survey was carried out which related three surface stations to the workings underground at approx 60m level. Station Marking - On the surface, Stations A & B marked with long white survey pegs with aluminium tag designations whilst Station C is a steel peg, low in the ground. Underground twelve short pegs, with aluminium tag designations, were placed in the backs of drives. Instrument - A Wild Level and Tri-pod was used both for surface & underground readings. Calculations - THe surface plan was plotted directly from readings, apart from the position of Station C, which was obtained using the isosceles triangle ACPs. Surface & underground stations were tied in by dropping two plum bobs & relating all underground readings to them. The positions of Ps & Pn on the surface were fixed mainly from station C. Plotting - Both plans were plotted on a scale of 1:250. Drive outlines are approximated.
Date Added: 24-Oct-2013
Appears in Collections:Minerals Exploration Reports (MEX)

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