- unitdate
-
{"value"=>"circa 1987", "type"=>"inclusive", "certainty"=>"approximate", "normal"=>"1987"}
{"value"=>"1991", "type"=>"inclusive", "normal"=>"1991"}
- physdesc
-
{"value"=>"Drafts and near-print materials", "format"=>"simple"}
- container
-
{"type"=>"box", "value"=>"1"}
{"type"=>"folder", "value"=>"2"}
- date_inclusive_start
-
1987
- date_inclusive_end
-
1991
- keydate
-
1987
- unitid
-
{"type"=>"local_mss", "value"=>"512839"}
- date_start
-
1987
- date_end
-
1991