- unitid
-
{"value"=>"3576460", "type"=>"local_mss"}
- unitdate
-
{"value"=>"circa 1920s-1970s", "type"=>"inclusive", "normal"=>"1920/1979", "certainty"=>"approximate"}
{"value"=>"undated", "type"=>"inclusive"}
- unittitle
-
{"value"=>"Fire fighters"}
- container
-
{"type"=>"box", "value"=>"2"}
{"type"=>"folder", "value"=>"4"}
- date_start
-
1920
- keydate
-
1920
- date_end
-
1979
- date_inclusive_start
-
1920
- date_inclusive_end
-
1979