Small water purification systems
By:  by Richard B. Case, and Toni K. Ristau
Contributors: Ristau, Toni K.; United States.   Bureau of Land Management.   Division of Scientific Systems Development; United States.  b Bureau of Land Management.   Division of Engineering
Series: Technical note --  351; Technical note (United States. Bureau of Land Management) --  351.
Publisher: Denver, Colo.; U.S. Dept. of the Interior, Bureau of Land Management : $b Available from Denver Service Center
Published: 1981
Language: eng
Subjects: Water; Drinking water; Equipment and supplies; Purification; Standards
Notes: "Division of Scientific Systems Development and Division of Engineering, Bureau of Land Management, U.S. Department of the Interior."

"July 1981."

Periodic updating anticipated.