Safe water
Subtitle: sources, quality, quantity, protection, testing.
Contributors: Washington (State). Dept. of Social and Health Services. Health Services Division.
Edition: Rev.
Series: Bulletin ES -- no. 4; Bulletin ES (Washington (State). Dept. of Social and Health Services) -- no. 4.
Publisher: Washington State Dept. of Social and Health Services
Published: 1972
Place of publication: Olympia, Wash
Language: eng
Number of pages: 32
Subjects: Water-supply; Water quality
Notes: Cover title.

"Department of Social and Health Services, Health Services Division"--P. [4] of cover.

Earlier ed. issued by Washington State Dept. of Health.