- unitid
-
{"value"=>"3671566", "type"=>"local_mss"}
{"value"=>"221", "type"=>"local_mss_er"}
- unitdate
-
{"value"=>"1990-2005", "type"=>"inclusive", "normal"=>"1990/2005"}
- physdesc
-
{"format"=>"structured", "physdesc_components"=>[{"name"=>"extent", "value"=>"545 computer files", "unit"=>"computer_files"}, {"name"=>"extent", "value"=>"5.5 megabytes", "unit"=>"megabytes"}]}
- date_start
-
1990
- keydate
-
1990
- date_end
-
2005
- date_inclusive_start
-
1990
- date_inclusive_end
-
2005
- extent_statement
-
5.5 megabytes (545 computer files)