ec6d5af3__Census_1800___Social_Explorer__Column_19
[Column 18] laborer [Column 18_2] conductor [Column 19_3] steam railroad [Column 19] 
railroad
Census Questionnaires and Instructions: 1790 to 2000 - Measuring America: The Decennial Censuses From 1790 to 2000 - Survey Census 1800 - Social Explorer