https://github.com/davepinch/pinchy.cc/blob/master/content/topics/places/counties/minnesota/anoka-county/map/dr_map-of-anoka-anoka-county-minn.md
https://archive.org/details/dr_map-of-anoka-anoka-county-minn-published-by-at-andreas-lakeside-buil-00754089