 In June 1848, when Asa Aud had taken French leave, William Elgin the district superintendent, appointed John Boozell as tender of Lock 25 on the Chesapeake and Ohio Canal.Often lockkeepers sold alcohol on the side, one notorious example being A. S. Adams of Lock 33 (Harpers Ferry) on the Chesapeake and Ohio Canal.At that site, the Salty Dog Tavern was known for its availability of liquor and easiness of women.