- unitid
-
{"value"=>"3339952", "type"=>"local_mss"}
{"value"=>"89", "type"=>"local_mss_er"}
- unitdate
-
{"value"=>"circa 1990s-2000s", "type"=>"inclusive", "normal"=>"1990/2009", "certainty"=>"approximate"}
- unittitle
-
{"value"=>"Headshots"}
- physdesc
-
{"format"=>"structured", "physdesc_components"=>[{"name"=>"extent", "value"=>"241 computer files", "unit"=>"computer_files"}, {"name"=>"extent", "value"=>"106.6 megabytes", "unit"=>"megabytes"}]}
- date_start
-
1990
- keydate
-
1990
- date_end
-
2009
- date_inclusive_start
-
1990
- date_inclusive_end
-
2009