- unitid
-
{"value"=>"370016", "type"=>"local_mss"}
{"value"=>"0012", "type"=>"local_mss_er"}
- unitdate
-
{"value"=>"1999-2001", "type"=>"inclusive", "normal"=>"1999/2001"}
- physdesc
-
{"format"=>"structured", "physdesc_components"=>[{"name"=>"extent", "value"=>"640 computer files", "unit"=>"computer_files"}, {"name"=>"extent", "value"=>"355.6 megabytes", "unit"=>"megabytes"}]}
- date_start
-
1999
- keydate
-
1999
- date_end
-
2001
- date_inclusive_start
-
1999
- date_inclusive_end
-
2001
- extent_statement
-
355.6 megabytes (640 computer files)