- unitid
-
{"value"=>"3119071", "type"=>"local_mss"}
{"value"=>"400", "type"=>"local_mss_er"}
- unitdate
-
{"value"=>"1987-1993", "type"=>"inclusive", "normal"=>"1987/1993"}
- physdesc
-
{"format"=>"structured", "physdesc_components"=>[{"name"=>"extent", "value"=>"7 computer files", "unit"=>"computer_files"}, {"name"=>"extent", "value"=>"319.7 kilobytes", "unit"=>"kilobytes"}]}
- date_start
-
1987
- keydate
-
1987
- date_end
-
1993
- date_inclusive_start
-
1987
- date_inclusive_end
-
1993
- extent_statement
-
319.7 kilobytes (7 computer files)