- unitid
-
{"value"=>"556126", "type"=>"local_mss"}
- unitdate
-
{"value"=>"1990 Nov", "type"=>"inclusive", "normal"=>"1990-11"}
{"value"=>"1991 Mar", "type"=>"inclusive", "normal"=>"1991-03"}
{"value"=>"n.d", "type"=>"inclusive"}
- unittitle
-
{"value"=>"Pittsburgh"}
- container
-
{"type"=>"reel", "value"=>"20"}
{"type"=>"box", "value"=>"28"}
{"type"=>"folder", "value"=>"5"}
- date_start
-
1990-11
- keydate
-
1990-11
- date_end
-
1991-03
- date_inclusive_start
-
1990
- date_inclusive_end
-
1991