Question: Question 2 0 If your benchmark is at point A , with a true elevation of 4 2 ' - 6 ,

Question 20
If your benchmark is at point "A", with a true elevation of 42'-6", and you set your
Architects' surveying rod on point "A" for a backsight (BS), what is the height of your
instrument (HI)?
Question 2 0 If your benchmark is at point " A "

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