Water filtration at Duluth
By: Frank X. Schleppenbach
Contributors: Municipal Environmental Research Laboratory
Publisher: U.S. Environmental Protection Agency, Municipal Environmental Research Laboratory
Published: 1984
Place of publication: Cincinnati, OH
Language: eng
Subjects: Water -- Purification -- Filtration
Notes: Caption title

At head of title: Project summary

Distributed to depository libraries in microfiche

"May 1984."

"EPA-600/S2-84-083."