- unitid
-
{"value"=>"3042914", "type"=>"local_mss"}
{"value"=>"37", "type"=>"local_mss_er"}
- unitdate
-
{"value"=>"1989-2004", "type"=>"inclusive", "normal"=>"1989/2004"}
- physdesc
-
{"format"=>"structured", "physdesc_components"=>[{"name"=>"extent", "value"=>"180 computer files", "unit"=>"computer_files"}, {"name"=>"extent", "value"=>"3.9 megabytes"}], "supress_display"=>true}
- date_start
-
1989
- keydate
-
1989
- date_end
-
2004
- date_inclusive_start
-
1989
- date_inclusive_end
-
2004
- extent_statement
-
3.9 megabytes