Increasing the efficiency of small water works and sewage treatment plants
By: by Paul Hansen.
Contributors: Illinois Society of Engineers and Surveyors.
Publisher: [s.n.]
Published: 1913
Place of publication: Wheaton
Language: eng
Subjects: Sewage disposal.; Water -- Purification.; Sewage -- Purification.
Other titles: Annual proceedings of the Illinois Society of Engineers and Surveyors, 1913.
Notes: Reprinted from: Annual proceedings of the Illinois Society of Engineers and Surveyors, 1913.