stainers--iron and manganese removal
By: Ronald E. Hermanson.
Contributors: Washington State University. Cooperative Extension.; United States. Dept. of Agriculture.
Edition: Rev.
Series: Clean water for Washington; EB -- 1500.; Extension bulletin (Washington State University. Cooperative Extension) -- 1500.
Publisher: Cooperative Extension, Washington State University
Published: 1991
Place of publication: [Pullman]
Language: eng
Subjects: Water -- Purification -- Iron removal; Water -- Purification -- Manganese removal; Water quality
Notes: Caption title.

"May 1, 1991"--P. [4] of cover.

"Issued by Washington State Cooperative Extension ... and the U.S. Department of Agriculture ..."--P.[4] of cover.