- unitid
-
{"value"=>"3678678", "type"=>"local_mss"}
{"value"=>"52", "type"=>"local_mss_er"}
- unitdate
-
{"value"=>"1990", "type"=>"inclusive", "normal"=>"1990"}
- physdesc
-
{"format"=>"structured", "physdesc_components"=>[{"name"=>"extent", "value"=>"3 computer files", "unit"=>"computer_files"}, {"name"=>"extent", "value"=>"3 megabytes", "unit"=>"megabytes"}]}
- date_start
-
1990
- keydate
-
1990
- date_end
-
1990
- date_inclusive_start
-
1990
- date_inclusive_end
-
1990
- extent_statement
-
3 megabytes (3 computer files)