On a topographic map, would the following be a good or poor feature for testing map accuracy?
Corner of a school or church building
Township boundary corner
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 ...
Testing map accuracy is discussed.