Bruce Roberts, Inc - A Map of Chicago’s Gangland (1931)
Apparently, “Designed to inculcate the most important principles of piety and virtue in young persons, and graphically portray the evils and sin of large cities.”
Not the sort of aesthetic you’d expect from a gang territory map. How weird and/or cool is it that the  north arrow is a handgun?

Bruce Roberts, Inc - A Map of Chicago’s Gangland (1931)

Apparently, “Designed to inculcate the most important principles of piety and virtue in young persons, and graphically portray the evils and sin of large cities.”

Not the sort of aesthetic you’d expect from a gang territory map. How weird and/or cool is it that the  north arrow is a handgun?