- unitid
-
{"value"=>"3531619", "type"=>"local_mss"}
{"value"=>"95", "type"=>"local_mss_er"}
- unitdate
-
{"value"=>"circa 1991-1993", "type"=>"inclusive", "normal"=>"1991/1993", "certainty"=>"approximate"}
- physdesc
-
{"format"=>"structured", "physdesc_components"=>[{"name"=>"extent", "value"=>"1 computer files", "unit"=>"computer_files"}, {"name"=>"extent", "value"=>"56.6 kilobytes", "unit"=>"kilobytes"}]}
- date_start
-
1991
- keydate
-
1991
- date_end
-
1993
- date_inclusive_start
-
1991
- date_inclusive_end
-
1993