- unitid
-
{"value"=>"3119174", "type"=>"local_mss"}
{"value"=>"410", "type"=>"local_mss_er"}
- unitdate
-
{"value"=>"1991 July", "type"=>"inclusive", "normal"=>"1991-07"}
- physdesc
-
{"format"=>"structured", "physdesc_components"=>[{"name"=>"extent", "value"=>"7 computer files", "unit"=>"computer_files"}, {"name"=>"extent", "value"=>"5 kilobytes", "unit"=>"kilobytes"}]}
- date_start
-
1991-07
- keydate
-
1991-07
- date_end
-
1991-07
- date_inclusive_start
-
1991
- date_inclusive_end
-
1991
- extent_statement
-
5 kilobytes (7 computer files)