More specifically concerning: sewage
9 February 2004, around 17.37.
History of Sanitary Sewers: quite. WaterHistory.org: ‘Our objective is to explore prehistoric and historic water projects worldwide … without taking ourselves too seriously. We are particularly interested in the effect that water has on the quality of life.’ From Creek to Sewer: Sewerage and Drainage in Philadelphia. Let me remind you once again of our […]