16 Jul
2020
16 Jul
'20
9:22 p.m.
USDA Farmers' Bulletin No. 43, by Theobald Smith 62676 [Subtitle: Sewage Disposal on the Farm, and Protection of Drinking Water] [Link: http://www.gutenberg.org/6/2/6/7/62676 ] [Files: 62676-8.txt; 62676-h.htm] Thanks to Tom Cosmas Regards, Al