Report on sewage purification at Columbus, Ohio.
By: Made to the chief engineer of the Board of public service, by George A. Johnson, engineer in charge of the Sewage testing station.
Contributors: Johnson, George A.
Publisher: The Cott printing company
Published: 1905
Place of publication: Columbus, O
Language: eng
Number of pages: 499
Subjects: Sewerage -- Ohio -- Columbus.; Sewage -- Purification.