- unitid
-
{"value"=>"3501346", "type"=>"local_mss"}
{"value"=>"4", "type"=>"local_mss_er"}
- unitdate
-
{"value"=>"2004-2006", "type"=>"inclusive", "normal"=>"2004/2006"}
- physdesc
-
{"format"=>"structured", "physdesc_components"=>[{"name"=>"extent", "value"=>"172 computer files", "unit"=>"computer_files"}, {"name"=>"extent", "value"=>"1.6 gigabytes", "unit"=>"gigabytes"}]}
- date_start
-
2004
- keydate
-
2004
- date_end
-
2006
- date_inclusive_start
-
2004
- date_inclusive_end
-
2006
- extent_statement
-
1.6 gigabytes (172 computer files)