Walton, William Clarence Groundwater pumping tests : design & analysis William C. Walton - Chelsea, Mich. ; [Dublin, Ohio] Lewis Publishers ; National Water Well Association c1987 - xiii, 201 p. : ill. ; 24 cm. + 1 computer disk (5 1/4 in.) ISBN: 0873711084 ISSN: 87002950 Subjects--Topical Terms: Aquifers - MeasurementGroundwater flow - Measurement Dewey Class. No.: 551.49 WAL