- unitid
-
{"value"=>"3012194", "type"=>"local_mss"}
- unitdate
-
{"value"=>"1860", "type"=>"inclusive", "normal"=>"1860"}
{"value"=>"1866", "type"=>"inclusive", "normal"=>"1866"}
- unittitle
-
{"value"=>"Cleveland and Pittsburgh Rail Road letter received and documents"}
- container
-
{"type"=>"box", "value"=>"4"}
{"type"=>"folder", "value"=>"5"}
- date_start
-
1860
- keydate
-
1860
- date_end
-
1866
- date_inclusive_start
-
1860
- date_inclusive_end
-
1866