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What type of survey is a preliminary survey? Plane or Geodetic?

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Archeologists use topographical surveys anymore, particularly in mountainous regions.  Land surveyors conduct plane and geodetic surveys depending on the terrain as I understand it.  Long gone are the days of pulling a chain or reading a tape. 

When I get to a promising site, the first thing I do is shoot the grade and get an ACCURATE topography.  Maps are notoriously inaccurate in archeological work.  When we find an area that would be great for building -- by hand and transport materials by oxcart -- then we know that there just might be something a few feet down to unearth.


We learn from history that we learn nothing from history: those who refuse to learn from the past are doomed to repeat it.

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