Morrison, Robert D. Ground water monitoring technology : procedures, equipment, and applications / by Robert D. Morrison. - Prairie du Sac, Wis. : Timco Mfg., c1983. - xv, 111 p. : ill. ISBN: 096110600X Subjects--Topical Terms: Soil moisture--Measurement.Groundwater--Measurement. LC Class. No.: S594 / .M65 1983 Dewey Class. No.: 631.4/32/0287�19