Morey, Rexford M. Feasilibility study of electromagnetic subsurface profiling / by Rexford M. Morey - Washington, D.C. : United States Environmental Protencial Agency, 1972 - ix, 71 p. ; 30 cm. - Environmental Protection Technology series ; no.EPA-R2-72-082 . Subjects--Topical Terms: Remote sensingMicrowave remote sensing Dewey Class. No.: 621.3678