Sand filtration of public water supplies
By: by R.S. Lea.
Contributors: Canadian Society of Civil Engineers.
Series: CIHM/ICMH Microfiche series = CIHM/ICMH collection de microfiches -- no. 90241
Publisher: s.n.
Published: 1991
Place of publication: [Montréal?
Language: eng
Format: Microform
Number of pages: 30
Subjects: Water -- Purification -- Filtration.; Sewage -- Purification -- Filtration.
Notes: Caption title.

At head of title: Canadian Society of Civil Engineers. Incorporated 1887. Advance proof - (subject to revision) ...

"(To be read Thursday, Jan. 19th, 1899.)"

Filmed from a copy of the original publication held by the National Archives of Canada. Ottawa : Canadian Institute for Historical Microreproductions, 1991.

45 p., [4] leaves of plates : ill. ; 24 cm.