- unitid
-
{"value"=>"3501833", "type"=>"local_mss"}
{"value"=>"367", "type"=>"local_mss_er"}
- unitdate
-
{"value"=>"2011 February", "type"=>"inclusive", "normal"=>"2011-02"}
- physdesc
-
{"format"=>"structured", "physdesc_components"=>[{"name"=>"extent", "value"=>"831 computer files", "unit"=>"computer_files"}, {"name"=>"extent", "value"=>"720.8 megabytes", "unit"=>"megabytes"}]}
- date_start
-
2011-02
- keydate
-
2011-02
- date_end
-
2011-02
- date_inclusive_start
-
2011
- date_inclusive_end
-
2011
- extent_statement
-
720.8 megabytes (831 computer files)