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re: How do surveyors determine elevation of land?
Posted on 8/13/16 at 6:45 am to civiltiger07
Posted on 8/13/16 at 6:45 am to civiltiger07
Almost the same methods are used, just with better tech and sensitive instruments.
An altimeter, basically a barometer, was and still is used, as well as GPS. Neither are that precise alone, but together...they get the job done.
Teachable moment though!
An altimeter, basically a barometer, was and still is used, as well as GPS. Neither are that precise alone, but together...they get the job done.
Teachable moment though!
This post was edited on 8/13/16 at 6:48 am
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