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Historical PDFs
Historical PDFs live on this shelf, separate from the US Government manuals.
Historical publication. Title and date are derived from the original filename; bibliographic details have not been independently verified.
7,955 historical PDFs
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- Sewage disposal-for the guidance of sanitary authorities 1882
- Sewage disposal-fuller 1912
- Sewage disposal-kinnicutt 1919
- Sewage disposal-report of a committee 1876
- Sewage disposal-robinson 1880
- Sewage disposal-ten years in works of intermittent downward filtration 1885
- Sewage farming 1891
- Sewage irrigation by farmers 1879
- Sewage purification and disposal 1909
- Sewage purification in america-a description of the municipal sewage 1893
- Sewage purification plans for residences and small institutions 1909
- Sewage purification plants 1902
- Sewage sludge 1912
- Sewage sludge-treatment and utilization of sludge 1912
- Sewage treatment purification and utilization 1888
- Sewage works analyses 1902
- Sewage-analysis 1899
- Sewerage and sewage disposal of a small town 1895
- Sewerage and sewage disposal-a textbook 1930
- Sewerage and sewage purification 1913