water cycle
Subtitle: hydrologic cycle
By: American Water Works Association.
Publisher: The Association
Published: 1988
Place of publication: [Denver, Colo.?]
Language: eng
Subjects: Water -- Study and teaching (Elementary) -- Activity programs; Hydrologic cycle -- Study and teaching (Elementary) -- Activity programs; Drinking water -- Study and teaching (Elementary); Water-supply -- Study and teaching (Elementary)
Notes: "No. 70044."