Encyclopaedia Britannica Educational Corporation moving image motion picture ilu Chicago, Ill The Corporation 1982 monographic eng

motion picture

1 film reel (18 min.) : sd., col. ; 16 mm. + 1 guide. Explains how groundwater originates and illustrates various forms in which it occurs. Uses animated sequences to show geological formations that result from erosion or deposition of groundwater, the properties that characterize good aquifers, and the importance of groundwater as a natural resource. adult Encyclopaedia Britannica Educational Corporation ; producer, director, Bert Van Bork ; writer, James Clark. Title from data sheet. Intended audience: Ages 14 through adult. Issued also as videorecording. Camera, editor, Bert Van Bork. Hydrogeology 82701098 /F CINE 830705 20260227104059.0 995744260102311