- unitid
-
{"value"=>"3341972", "type"=>"local_mss"}
{"value"=>"56", "type"=>"local_mss_er"}
- unitdate
-
{"value"=>"circa 1960s", "type"=>"inclusive", "normal"=>"1960/1969", "certainty"=>"approximate"}
- physdesc
-
{"format"=>"structured", "physdesc_components"=>[{"name"=>"extent", "value"=>"3 computer files", "unit"=>"computer_files"}, {"name"=>"extent", "value"=>"1251 kilobytes", "unit"=>"kilobytes"}]}
- date_start
-
1960
- keydate
-
1960
- date_end
-
1969
- date_inclusive_start
-
1960
- date_inclusive_end
-
1969
- extent_statement
-
1251 kilobytes (3 computer files)