- unitid
-
{"value"=>"3398551", "type"=>"local_mss"}
{"value"=>"516671", "type"=>"local_mss_av"}
- unitdate
-
{"value"=>"1999 December", "type"=>"inclusive", "normal"=>"1999-12"}
- unittitle
-
{"value"=>"Spiral Circu 1 (1)"}
- physdesc
-
{"format"=>"structured", "physdesc_components"=>[{"name"=>"extent", "value"=>"1 audio recording", "unit"=>"audio_recordings"}]}
- scopecontent
-
{"value"=>"<p>Safety copies 12/99 from DAT sources/copies Made these before new PCM copies.</p>"}
- date_start
-
1999-12
- keydate
-
1999-12
- date_end
-
1999-12
- date_inclusive_start
-
1999
- date_inclusive_end
-
1999
- extent_statement
-
1 audio recording