Tag:survey_point:purpose=vertical

Often called a Benchmark. Used to measure difference in elevation.

See survey_point for more information about survey points. See survey_point:purpose=* for other possible values.

Possible tagging mistake

benchmark=yes

		$1%
		$1%
		$1%
		$1%

More details at taginfo

• benchmark=yes

If you know places with this tag, verify if it could be tagged with another tag.
Automated edits are strongly discouraged unless you really know what you are doing!

survey_point=benchmark

		$1%
		$1%
		$1%
		$1%

More details at taginfo

• survey_point=benchmark

If you know places with this tag, verify if it could be tagged with another tag.
Automated edits are strongly discouraged unless you really know what you are doing!