- unitid
-
{"value"=>"3122478", "type"=>"local_mss"}
{"value"=>"433", "type"=>"local_mss_er"}
- unitdate
-
{"value"=>"1960s-1970s", "type"=>"inclusive", "normal"=>"1960/1979"}
- physdesc
-
{"format"=>"structured", "physdesc_components"=>[{"name"=>"extent", "value"=>"56 computer files", "unit"=>"computer_files"}, {"name"=>"extent", "value"=>"218.6 megabytes", "unit"=>"megabytes"}]}
- date_start
-
1960
- keydate
-
1960
- date_end
-
1979
- date_inclusive_start
-
1960
- date_inclusive_end
-
1979
- extent_statement
-
218.6 megabytes (56 computer files)