... Manchester and other mill towns, where people lived in crude shanties and shacks, some not completely enclosed, some with dirt floors. These shanty towns had narrow walkways. Population density was extremely high. Eight to ten unrelated mill workers often shared a room, often with no furniture, and slept on straw or sawdust. Toilets were shared if they existed. Disease spread through a contaminated water supply. Also, people were at risk of illness due to dampness.