- unitid
-
{"value"=>"3362804", "type"=>"local_mss"}
{"value"=>"23", "type"=>"local_mss_er"}
- unitdate
-
{"value"=>"1970s-2000s", "type"=>"inclusive", "normal"=>"1970/2009"}
- physdesc
-
{"format"=>"structured", "physdesc_components"=>[{"name"=>"extent", "value"=>"12 computer files", "unit"=>"computer_files"}, {"name"=>"extent", "value"=>"13.72 megabytes", "unit"=>"megabytes"}]}
- date_start
-
1970
- keydate
-
1970
- date_end
-
2009
- date_inclusive_start
-
1970
- date_inclusive_end
-
2009
- extent_statement
-
13.72 megabytes (12 computer files)