Digging Deep
GPS survey instrument is used to precisely mark the location of each underground utility. Data collected from the hand-held device is recorded and reviewed before major duct installation takes place.
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Uploaded on March 20, 2012
Taken on March 18, 2012
Digging Deep
GPS survey instrument is used to precisely mark the location of each underground utility. Data collected from the hand-held device is recorded and reviewed before major duct installation takes place.
5,441
views
0
faves
0
comments
Uploaded on March 20, 2012
Taken on March 18, 2012