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Testing map accuracy

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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
Quarry
gas well

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Solution Summary

Testing map accuracy is discussed. The topographic maps for good or poor features for testing map accuracy is examined.

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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 ...

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