What is a close in a survey?

A final observation that checks for angular error.

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  1. A locked survey box
  2. A final observation that checks for angular error ✔
  3. The end of a workday

Why: A close compares the first and last bearings to reveal angular misclose and check survey standards.

Huh, didn't know that: A close compares the first and last bearings to reveal angular misclose and check survey standards.

The dad joke
A good close keeps the survey from going in circles.
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References

Answer: A final observation that checks for angular error. A close compares the first and last bearings to reveal angular misclose and check survey standards.

  1. Surveying en.wikipedia.org/wiki/Surveying
    This is called a close. If the first and last bearings are different, this shows the error in the survey, called the angular misclose.
    Checked 2026-11-07.

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