# Sewage

Free to read here, from Project Gutenberg.

3 titles; page 1 of 1.

- [Standard methods for the examination of water and sewage](https://invisiblenetwork.ai/books/gutenberg/61462) by American Public Health Association. Laboratory Section and others
- [Natural & Artificial Sewage Treatment](https://invisiblenetwork.ai/books/gutenberg/56637) by Alfred Stowell Jones and H. Alfred Roechling
- [Comparison of Methods of Sewage Purification](https://invisiblenetwork.ai/books/gutenberg/59980) by Theodore Clifford Phillips and Edward John Schneider