- unitid
-
{"value"=>"1745539", "type"=>"local_mss"}
- unitdate
-
{"value"=>"1881", "type"=>"inclusive", "normal"=>"1881"}
{"value"=>"1926", "type"=>"inclusive", "normal"=>"1926"}
- unittitle
-
{"value"=>"Mexico"}
- container
-
{"type"=>"reel", "value"=>"4"}
{"type"=>"box", "value"=>"8"}
{"type"=>"folder", "value"=>"16"}
- date_start
-
1881
- keydate
-
1881
- date_end
-
1926
- date_inclusive_start
-
1881
- date_inclusive_end
-
1926