- unitid
-
{"value"=>"300861", "type"=>"local_mss"}
- unitdate
-
{"value"=>"1850", "type"=>"inclusive", "normal"=>"1850"}
- date_inclusive_start
-
1850
- date_inclusive_end
-
1850
- unittitle
-
{"value"=>"Vattemare Report to the Honorable Chairman of the Joint Committee (of Congress) on the Library of Congress."}
- physdesc
-
{"value"=>"Holograph draft. 7 pp.", "format"=>"simple"}
- container
-
{"type"=>"box", "value"=>"11"}
{"type"=>"reel", "value"=>"11"}
- date_start
-
1850
- date_end
-
1850
- keydate
-
1850