01339agm a2200301u  450000100160000000500170001600700240003300800410005701000160009802000400011403500230015403500110017703500200018804000190020804900090022709000180023624501450025426000450039930000610044450000270050550000460053250000350057850800350061352003040064865000180095271000540097099900130102499574426010231120260227104059.0mrucaaad               830705s1982    ilu018 e         0mleng c  a82701098 /F  cFor sale ( 335.00) or rent ( 20.00)  a(TU)000574426UTK019 a604249  a(OCoLC)09476701  aCINEcDLCdTKN  aTKNk  aGB1004.2b.G700aGroundwaterh[motion picture] /cEncyclopaedia Britannica Educational Corporation ; producer, director, Bert Van Bork ; writer, James Clark.  aChicago, Ill. :bThe Corporation,c1982.  a1 film reel (18 min.) :bsd., col. ;c16 mm. +e1 guide.  aTitle from data sheet.  aIntended audience: Ages 14 through adult.  aIssued also as videorecording.  aCamera, editor, Bert Van Bork.  aExplains 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. 0aHydrogeology.2 aEncyclopaedia Britannica Educational Corporation.  c194d194