SFGTV2 September 9, 2013
A spot of land that had a lot of groundwater. However, by 1730, 30,000 people lived within the first seven blocks of philadelphia, next to the delaware river. Well, 30,000 people caused filth in the city and polluted their water sources. The groundwater was not potable. And in one year, 1 6 of the population died of yellow fever. Now, they didnt know at the time that yellow fever was carried by mosquitoes. But the health issue was major in that First Movement to build a water system. Narrator so...
Source: archive.org