- unitid
-
{"value"=>"172258", "type"=>"local_mss"}
{"value"=>"2.45", "type"=>"local_call"}
- unitdate
-
{"value"=>"1909", "type"=>"inclusive", "normal"=>"1909"}
- unittitle
-
{"value"=>"Mellen, Jack A"}
- physdesc
-
{"format"=>"simple", "value"=>"4"}
- scopecontent
-
{"value"=>"<p>re: history of steam navigation on lower Colorado, the papers of Captain George A. Johnson.</p>"}
- container
-
{"type"=>"box", "value"=>"2"}
- date_start
-
1909
- keydate
-
1909
- date_end
-
1909
- date_inclusive_start
-
1909
- date_inclusive_end
-
1909