Water ideas for busy teachers
By: C.R. Humphrys
Contributors: Michigan State University. Department of Resource Development; Michigan State University. Agricultural Experiment Station
Series: Water bulletin -- no. 4; Water bulletin (Michigan State University. Department of Resource Development) -- no. 4.
Publisher: Department of Resource Development, Agricultural Experiment Station, Michigan State University
Published: 1960
Place of publication: East Lansing, [Mich.]
Language: eng
Subjects: Water; Study and teaching (Elementary)
Notes: Cover title.