- unitid
-
{"value"=>"3526838", "type"=>"local_mss"}
{"value"=>"28", "type"=>"local_mss_er"}
- unitdate
-
{"value"=>"1986-1998", "type"=>"inclusive", "normal"=>"1986/1998"}
- physdesc
-
{"format"=>"structured", "physdesc_components"=>[{"name"=>"extent", "value"=>"1 computer file", "unit"=>"computer_files"}, {"name"=>"extent", "value"=>"10 kilobytes", "unit"=>"kilobytes"}]}
- date_start
-
1986
- keydate
-
1986
- date_end
-
1998
- date_inclusive_start
-
1986
- date_inclusive_end
-
1998