RN 72020006 CU 207 B14 7.188 NC 11A SR 20480 CS 6.075 PL Crown/ Kay SC OF ID AG IA GS Odobenus rosmarus CB1A GA INECB1A OD 10-Mar-1972 CB1A ; MarCB1A 1972CB1A NT CB1A Underwater recording of a walrus. Ray's 1972-7 tape. Good recording of demonstrating male. Clicks and bells. Good cut. DA 10-Apr-1992 IP AP BH Courtship CB1A OS NA 1 CB1A GB 60 - 70 nautical mi. S of St. Lawrence I. CB1A GC N62CB1A W170CB1A OT SH IC AU G. Carleton Ray LO Shiv HY 12 RC Underwater recording RG Nagra IV tape recorder, Chesapeake Instrument Corp. hydrophone and amplifier SL ST BSCB1A ; NLCB1A ; Clicks CB1A ; Bell CB1A $