USDA Farmers' Bulletin No. 1227, by George M. Warren 63094 [Full title: USDA Farmers' Bulletin No. 1227: Sewage and sewerage of farm homes] [Link: http://www.gutenberg.org/6/3/0/9/63094 ] [Files: ; 63094-0.txt; 63094-h.htm] Thanks to Tom Cosmas from materials kindly provided by USDA through The Internet Archive. All produced material is placed in the Public Domain. Regards, Al