Surveying level
Flags, and a a surveying level, with tripod. Note the plumb line, which helps you maintain a constant height of your instrument.
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Uploaded on April 13, 2007
Taken on April 9, 2007
Surveying level
Flags, and a a surveying level, with tripod. Note the plumb line, which helps you maintain a constant height of your instrument.
239
views
0
faves
0
comments
Uploaded on April 13, 2007
Taken on April 9, 2007