Certain caves were used as speakeasies in the 1920s, too. Mobsters who had an "agreement" with the Cities of Minneapolis/St. Paul to not cause trouble in excha

Certain caves were used as speakeasies in the 1920s, too. Mobsters who had an "agreement" with the Cities of Minneapolis/St. Paul to not cause trouble in exchange for not being arrested/pursued up here could spend time drinking and gambling in peace.