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Testing map accuracy

On a topographic map, would the following be a good or poor feature for testing map accuracy?

Contour Line
Road intersection
Corner of a school or church building
Township boundary corner
Radio tower
benchmark monument
gas well

Solution Preview

Testing map accuracy requires the identification of map features with those that are easily visible or recoverable on the ground as well-defined points for comparison. Features which are shown on a map but do not physically exist in the real world or cannot be easily measured cannot be used.

For horizontal accuracy, the intersection of two roads, the corner of a building, benchmark ...

Solution Summary

Testing map accuracy is discussed.