KMSP sits right in the middle of a county park, and, in fact, one set of guy wires that hold it aloft terminate on a jetty in the middle of a marshy lake.
https://github.com/davepinch/pinchy.cc/blob/master/content/topics/places/lakes/grass-lake/grass-lake.md
“When an impure spirit comes out of a person, it goes through arid places seeking rest and does not find it. Matthew 12:43 NIV
