- unitdate
-
{"value"=>"1971-77", "type"=>"inclusive", "normal"=>"1971/1977"}
{"value"=>"1989", "type"=>"inclusive", "normal"=>"1989"}
- unittitle
-
{"value"=>"Correspondence"}
- container
-
{"type"=>"box", "value"=>"8"}
{"type"=>"folder", "value"=>"28"}
- date_inclusive_start
-
1971
- date_inclusive_end
-
1989
- keydate
-
1971
- unitid
-
{"type"=>"local_mss", "value"=>"910263"}
- date_start
-
1971
- date_end
-
1989