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File is an audio reel containing a lecture by Dr. Ray Cranston of the Geology Survey of Canadaat the Bedford Institute of Oceanography. He delivered a lecture, entitled "The Uncertainty of Global Change," at the Discovery Centre in Halifax on September 25, 1992. The lecture aired on CKDU September 25, 1992 and was rebroadcast September 28, [1992] and April 4, 1998 on The Evening Affair.

File is an audio reel containing an interview with Brian Molyno, a Canadian archaeologist who works at Southampton University in England. While in Nova Scotia to look at petroglyphs in Bedford, he spoke with CKDU's Heather Hueston. The interview aired July 15, 1990 and was rebroadcast August 23, 1990 on Title Waves and August 24, 1990 on Artscape.