- unitid
-
{"value"=>"3435071", "type"=>"local_mss"}
{"value"=>"16", "type"=>"local_mss_er"}
- unitdate
-
{"value"=>"2001-2003", "type"=>"inclusive", "normal"=>"2001/2003"}
- physdesc
-
{"format"=>"structured", "physdesc_components"=>[{"name"=>"extent", "value"=>"162 computer files", "unit"=>"computer_files"}, {"name"=>"extent", "value"=>"719.1 megabytes", "unit"=>"megabytes"}]}
- date_start
-
2001
- keydate
-
2001
- date_end
-
2003
- date_inclusive_start
-
2001
- date_inclusive_end
-
2003