ec6d5af3__Census_1800___Social_Explorer__Column_19
[Column 18] retail merchant [Column 18_2] quarryman [Column 19_3] house [Column 19] 
groceries
Census Questionnaires and Instructions: 1790 to 2000 - Measuring America: The Decennial Censuses From 1790 to 2000 - Survey Census 1800 - Social Explorer