harold farnsworth gray, sewerage in ancient and … · harold farnsworth gray, "sewerage in...

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Harold Farnsworth Gray, "Sewerage in Ancient and Medieval Times," Sewage Works Journal, Volume 12, No. 5 (Sept. 1940), pp. 939 - 946. Reprinted with permission from Sewage Works Journal. Copyright 1940 Water Environment Federation, Alexandria, VA.

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Page 1: Harold Farnsworth Gray, Sewerage in Ancient and … · Harold Farnsworth Gray, "Sewerage in Ancient and Medieval Times," Sewage ... artist and builder was lavished upon the temples

Harold Farnsworth Gray, "Sewerage in Ancient and Medieval Times," Sewage Works Journal, Volume 12, No. 5(Sept. 1940), pp. 939 - 946. Reprinted with permission from Sewage Works Journal. Copyright 1940 Water

Environment Federation, Alexandria, VA.

Page 2: Harold Farnsworth Gray, Sewerage in Ancient and … · Harold Farnsworth Gray, "Sewerage in Ancient and Medieval Times," Sewage ... artist and builder was lavished upon the temples
Page 3: Harold Farnsworth Gray, Sewerage in Ancient and … · Harold Farnsworth Gray, "Sewerage in Ancient and Medieval Times," Sewage ... artist and builder was lavished upon the temples
Page 4: Harold Farnsworth Gray, Sewerage in Ancient and … · Harold Farnsworth Gray, "Sewerage in Ancient and Medieval Times," Sewage ... artist and builder was lavished upon the temples
Page 5: Harold Farnsworth Gray, Sewerage in Ancient and … · Harold Farnsworth Gray, "Sewerage in Ancient and Medieval Times," Sewage ... artist and builder was lavished upon the temples
Page 6: Harold Farnsworth Gray, Sewerage in Ancient and … · Harold Farnsworth Gray, "Sewerage in Ancient and Medieval Times," Sewage ... artist and builder was lavished upon the temples
Page 7: Harold Farnsworth Gray, Sewerage in Ancient and … · Harold Farnsworth Gray, "Sewerage in Ancient and Medieval Times," Sewage ... artist and builder was lavished upon the temples
Page 8: Harold Farnsworth Gray, Sewerage in Ancient and … · Harold Farnsworth Gray, "Sewerage in Ancient and Medieval Times," Sewage ... artist and builder was lavished upon the temples