- unitid
-
{"value"=>"3628821", "type"=>"local_mss"}
{"value"=>"543743", "type"=>"local_mss_av"}
- unitdate
-
{"value"=>"1990 August", "type"=>"inclusive", "normal"=>"1990-08"}
- unittitle
-
{"value"=>"Construction, Tree Climbing, Back Hoe, John Deere"}
- physdesc
-
{"format"=>"structured", "physdesc_components"=>[{"name"=>"extent", "value"=>"1 audio recording", "unit"=>"audio_recordings"}]}
- date_start
-
1990-08
- keydate
-
1990-08
- date_end
-
1990-08
- date_inclusive_start
-
1990
- date_inclusive_end
-
1990
- extent_statement
-
1 audio recording