Reel-to-reel, cassette, and digital recordings and accompanying logs created by fieldworkers. The reel-to-reel tapes are in two formats (A) 7 1/2 ips/half track stereo and (B) 7 1/2 ips/full track mono. The format for each tape is noted in the tape log section with either (A) or (B). As well, the cassette tapes are in two formats (C) 60 minute mono and (D) 90 minute mono. The format for each tape is noted in the tape log section with either (C) or (D)