- unitid
-
{"value"=>"3549954", "type"=>"local_mss"}
{"value"=>"275", "type"=>"local_mss_er"}
- unitdate
-
{"value"=>"circa 2009", "type"=>"inclusive", "normal"=>"2009", "certainty"=>"approximate"}
- physdesc
-
{"format"=>"structured", "physdesc_components"=>[{"name"=>"extent", "value"=>"186 computer files", "unit"=>"computer_files"}, {"name"=>"extent", "value"=>"749.6 megabytes", "unit"=>"megabytes"}]}
- date_start
-
2009
- keydate
-
2009
- date_end
-
2009
- date_inclusive_start
-
2009
- date_inclusive_end
-
2009