73:5.4
Before the later establishment of a sewage-disposal system the Edenites practiced the scrupulous burial of all waste or decomposing material. Amadon’s inspectors made their rounds each day in search for possible causes of sickness. Urantians did not again awaken to the importance of the prevention of human diseases until the later times of the nineteenth and twentieth centuries. Before the disruption of the Adamic regime a covered brick-conduit disposal system had been constructed which ran beneath the walls and emptied into the river of Eden almost a mile beyond the outer or lesser wall of the Garden.