- unitid
-
{"value"=>"3405589", "type"=>"local_mss"}
{"value"=>"128", "type"=>"local_mss_er"}
- unitdate
-
{"value"=>"1980s-1990s", "type"=>"inclusive", "normal"=>"1980/1999"}
- physdesc
-
{"format"=>"structured", "physdesc_components"=>[{"name"=>"extent", "value"=>"13 computer files", "unit"=>"computer_files"}, {"name"=>"extent", "value"=>"313.8 kilobytes", "unit"=>"kilobytes"}]}
- date_start
-
1980
- keydate
-
1980
- date_end
-
1999
- date_inclusive_start
-
1980
- date_inclusive_end
-
1999