- unitid
-
{"value"=>"3643670", "type"=>"local_mss"}
{"value"=>"24", "type"=>"local_mss_er"}
- unitdate
-
{"value"=>"circa 1990s", "type"=>"inclusive", "normal"=>"1990/1999", "certainty"=>"approximate"}
- physdesc
-
{"format"=>"structured", "physdesc_components"=>[{"name"=>"extent", "value"=>"18 computer files", "unit"=>"computer_files"}, {"name"=>"extent", "value"=>"265.7 megabytes", "unit"=>"megabytes"}]}
- date_start
-
1990
- keydate
-
1990
- date_end
-
1999
- date_inclusive_start
-
1990
- date_inclusive_end
-
1999
- extent_statement
-
265.7 megabytes (18 computer files)