Why? cast iron soil pipe.
Contributors: Canadian Cast Iron Soil Pipe Association .
Series: Report no. 11; Report (Canadian Cast Iron Soil Pipe Association) -- no. 11
Publisher: Canadian Cast Iron Soil Pipe Association
Published: 1950
Place of publication: Barrie, ON
Language: eng
Subjects: Cast-iron pipe.; Underground pipelines.
Notes: Cover title.

"One standard for Canada, permanence, economy, pollution free, security."