- unitid
-
{"value"=>"40039", "type"=>"local_mss"}
- unitdate
-
{"value"=>"1853", "type"=>"inclusive", "normal"=>"1853"}
{"value"=>"1882", "type"=>"inclusive", "normal"=>"1882"}
- date_inclusive_start
-
1853
- date_inclusive_end
-
1882
- unittitle
-
{"value"=>"Union Pacific RR"}
- container
-
{"type"=>"box", "value"=>"82"}
{"type"=>"folder", "value"=>"4"}
- date_start
-
1853
- date_end
-
1882
- keydate
-
1853