Control Point

A control point is a semi-permanent survey marker of some kind that surveyors use to measure from to maintain accuracy and precision on survey projects. For instance, we may use large magnetic nails set in the ground in random safe places, so we can easily come back to to a project and check in on and start from again. Control points do not represent property lines, but are set in random places that are both easy to access and safe to set up on.

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